Bolt Head Size Formula

NPS 1/8 - NPS 30; Dimensions and Weights of Pipes ASTM A53/A53M. There are several grades under ASTM A193 namely B7, B8 Class 1, B8M Class 1, B8 Class 2, B8M Class 2. Minimum Thread Engagement (Bolt Failure) Chart - Metric 332 362 165 Nominal Diameter Stress Area Class 8. 5 is a metric bolt with a 10 mm nominal diameter and 1. The fraction, say ¼, is a quarter-inch and the bolt’s diameter. Bolt Design is a Brooklyn Design and Architecture Firm, specializing in Hospitality, Event Spaces, & Commercial Design. Please select your Metric or Imperial unit type from the list and start the converter. Use a torque wrench to tighten the bolt to the manufacturer's specification, or have a mechanic tighten this properly. Specialist wholesalers & distributors of high performance Rivets, Rivet Nuts & Rivet Tools. 7/16 •9191. 9 Loading Capacities of Ordinary Bolts per. How to request a ride with Bolt app: 1. 5 ) + 1 = 18 + 1 = 19. The grip length of a bolt is the distance from the head of the bolt to the nut or where the threads start. Goes for most standard bolts, well sort off, then there are different head sizes aswell !! Dont know if this works for imperial tho. Here is the list of metric units converters which are recently most used. So, let’s say your torque wrench is a foot long, and you apply 30 pounds of force to the handle. 3L Step 1 15 (20) Step 2 Additional 73 Degrees 5. A bolt is specified by its major diameter and threads per inch, plus a symbol for its thread series, as 1-8 UNC for a 1" bolt. Sud Bolt lengths (L*) do not include the height of points. Tire professionals classify bolt patterns using a two number system. It's obvious that putting a 3" square bearing plate at the end will have more resistance to pullout/breakout than a simple headed bolt. TENSILE STRESS AREA OF BOLT - IMPERIAL & METRIC THREADSTENSILE STRESS AREA OF BOLT - IMPERIAL & METRIC THREADS Nominal Thread Diameter 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 7/8 1 Imperial Threads BSW TPI in2 BSF 26 0. Click on info button for more info. Unbrako have set the leading edge in high grade fastener technology and is the market leader of. Number of Bolts. 23 Section 6 Appendix 12/21/01 RCR15 Series Rotary Cutters 312-556M Land Pride Section 6 Appendix Torque Values Chart for Common Bolt Sizes in-tpi1 N · m2 ft-lb3 N · m ft-lb N · m ft-lb mm x pitch4 N · m ft-lb N · m ft-lb N · m ft-lb 1/4" - 20 7. The rich-lathering formula delivers proven protection from flakes, itch, oil and dryness* and is brought to you by America’s #1 dandruff shampoo brand. The following formula is used to determine. WARNING: USE ONLY LUBRICANTS COMPATIBLE WITH PVC OR CPVC MATERIAL. one eye bolt diameter of threads, only (1) nut required. Steel: SAE Grade 6 133,000 psi Med. Hexagon Head Bolts - Product Grade B - Reduced Shank: 54 [NF] NF L 22-145 - 1985: Bolt, Hexagonal Head, For Tensile Application, ISO Thread-4g Class: 55 [BS] BS 3692 - 2014: Metric Precision Hexagon Bolts: 56 [BS] BS 4190 - 2014: Metric Hexagon Head Bolts And Screws Faced Under Head Or Faced Under Head And Turned On Shank: 57 [BS] BS 4190 - 2014. Good luck!. These estimated torque values are derived from the standard torque formula Torque = KDF utilizing a standard "free-spinning" nut (non-locknut) with a proof strength equal to or greater than the tensile strength of the bolt. Markings on the bolt head help to identify the bolt rating. 641") and it turns out that some enterprising individual has 'peened' over the rear face of the bolt head by as much as 0. Always consult the manufacturers instructions or engineering recommendations when making bolted connections. 75 1 5/16 0. The actual results were : Size / Number 0 went from 0. 125 3/8 1 1. The BCG will also ensure proper lock up when the rifle is fully into. Piping,Welding,Non Destructive Examination-NDT Common Piping Angles and their Solutions,Known and Unknown Angles and Angle Chart,Solving. Torque specifications for fasteners. The remaining 90% is lost due various forms of friction that occur during the tightening process. The effective diameter of the bolt defines the size of the bolt head. check the OD of the washer bore you need. I don't know the bolt length, but i do know they are supposed to be stretch bolts. Midwest Socket Screw Products, Inc. It will quickly and accurately calculate the maximum bolt tensile load, shear load, torsion load, and the recommended tightening torque among other things for any size fastener (US customary units only). 00 Shank diameter (mm) [d1] 12. Thank You For Subscribing to Our Newsletter. 000050 inch (1. When bolts are designated with a material property of A325 , the bolt strength in the ASTM varies based on the bolt diameter. A carefully executed plan demands the right parts and here, we offer high-performance solutions with our Titanium bolt kits and Ti64 accessories. Square or rectangular opening flap gates are. Rod Bolts - 3/8˝, 8-piece set. 3 Types of Rivets 3. Company Number: 02658410 VAT Number: GB 927176994 Registered Office: Hope Mill, Calf Hall Road, Barnoldswick, Lancashire. The Differences Between Screws, Bolts, and Nails (and When You Should Use Each) Craig Lloyd @craigelloyd Updated June 20, 2017, 5:27pm EDT There so many different types of fasteners available that most hardware stores usually have an entire aisle dedicated to them. ? Yesterday I had to weld a Allen wrench to a stripped out Allen head bolt that was recessed. Smith Brothers Services on: Bolt Head Markings. Additionally the bend type must also be given to avoid problems in specifications of semi-round bend shapes. Highest success rate for restoring stripped head bolt threads. Call this result B. 8-32 Titanium Bolts; 10-32 Titanium Bolts; Counter Sink Bolts. Forged top U-bolts are best ordered by application and leg length since the type of forging is usually unique to the particular application and must be maintained to. National Stock Number (NSN) 5306-01-530-4339 tee head bolt. G : If you are looking to clamp 2 Metal Frames of 3/8" thick each , using 3/4" diameter bolt assembled structural bolts with one washer. one eye bolt diameter of threads, only (1) nut required. Distinguishing features: 4 bolt head, Made in USA on one side of case, K&B (not oval logo) on other side. 14159 to find the diameter. Shear bolts (or snap-off bolts) are a premium 1-way permanent security solution, ideal where maintenance is not required. 5 x bolt diameter, but this is not consistent in small and large sizes, so one must consult literature rather than attempt to calculate. Round head bolt with square neck and a unified thread pitch. where P is the lead (pitch) of the thread, D b is the average mean diameter of the bolt, D n is the average mean diameter of the nut, k is the coefficient of friction, and is one half of the thread angle (usually 30°). for a bolt the same size it is the same for the same length or multiply by whatever the treaded length is. Bolt Safe Working Loads (lbs) Safe tensile load at 6,000 psi load; safe shear strength at 7500 psi load) Note: These values seems awfully low to me. We sell bulk quantities at great prices. 4 Types of Riveted Joints 3. 25, and plain non-plated bolts (as received) =. For example, if the diameter of the bolt is 0. 5 stud lengths are specified from Thread to Thread. Installing A Carriage Bolt. It does work but mine was not torqued down real hard. The wings on the nut lay flat when pushed through the opening and expand when through the opening. For example, a bolt labelled M10 x 1. For other applications or questions, email [email protected] The old skeins had 18 plies of 3/8 inch diameter nylon rope, while the new skeins are composed of 16 plies of 7/16 inch nylon rope. nuts and bolts phrase. 3 Types and Mechanical Properties of Structural Fasteners, 3. 2 TG Grommets (Oversized Holes and Cushioned Anchorage) P10. Unbrako have set the leading edge in high grade fastener technology and is the market leader of. 95 FREE Shipping. 95 Each : 12252401: 12 X 1. : the amount solid bolt material in the diameter), a narrower area will result in lower bolt shear strength. Presented below are the results from TORQUE for a M12 Grade 8. See Store (s) With Item. 7/16 Main Caps (2 bolt) 7/16 Inner Main Caps (4 bolt) 7/16 Outer Main Caps (4 bolt) 3/8 Outer Main Caps (4 bolt). Formula Ford 1600 Kent : Formula Ford 1600 Engine Price List. Mild Steel Hexagon Head Bolts 3. The effective diameter of the bolt defines the size of the bolt head. M-Series #124332-8203. 1) Enter thread diameter nominal value in section Thread Size. A = 2( tf + t + d) + G + F − a (i. Measure the outside diameter of the bolt's threads using a vernier caliper, if the bolt is installed in your vehicle or piece of equipment and the bolt's head is not accessible to the vernier caliper. 100 diameter firing pin. 8 jis hex. Square or rectangular opening flap gates are. Also, if you are at all concerned about the hole cleaning, see if you can get the Hilti HIT-TZ rods and HY-150 injection adhesive. Good luck!. 45, and the. An example would be those little 6mm bolts that hold so many different cylinder head covers and side covers on. Crossbow Arrow & Bolts, Trajectories. We provide all types of fasteners from standard items such as Plastic Bolts, Screws, Nuts, Washers, Spacers, Threaded Rod, Plastic Industrial Balls to intricate parts per print. The bolts are centerless ground and threaded after heat treatment. Complete History for. 5: Formula for displacement: To Find the CC size of a Head Needed For. to DIN 934 and only for a µ total = 0. Plow Bolts Used on heavy equipment, such as plows, these bolts have a smooth head that's angled underneath to sit flush within countersunk holes. they are grouped by diameter M5, M6, M8, M10 are the usual suspects. D2 Pitch diameter of bolt thread D3 Minor diameter of bolt thread Dkm Effective diameter for friction at the contact of the head of the driven fastener DS Diameter at stress cross-section AS DT Shank diameter of bolt neck DW Outside diameter of the contact area under the head of the driven fastener FM Assembly preload, bolt tensile load at. Carriage Bolts are generally manufactured to the A307 Grade A specification, in domestic or import. CST M-F; 8 a. Kreg K5Ms Pocket-Hole. STARACER TRIPLE CLAMPS 35mm fork diameter 55mm offset X 196mm wide center to center 7075T6 Aluminum with stem, dual locking nuts, handlebar clamps, and hardware. The height of a nut for a Stud Bolt is the same as the diameter of the thread rod. BALDWIN 5-24/25-in Satin Nickel Flush Bolts. Plain = PB050----- Zinc = PB050-----Z1 D A F S B Depth of Square and Head Bolt Width of Square Diameter Head Diameter Feed Thickness Max Min Max Min 5/16. Use a torque wrench to tighten the bolt to the manufacturer's specification, or have a mechanic tighten this properly. , machine bolt length exclusive of negative tolerance,. Formula of pitch diameter of bearing surface(dn 1、dn) a: Hexagon bearing surface (first type nut, bolt) b: Round shape bearing surface (second, third type nut). Tensile Strength. Print this page. Lightly lubricate the bolt thread and the bottom of the bolt head by applying a small quantity of oil to a rag and rotating the bolt in the oily rag. (2) The lengths of the machine bolts are measured from under the head to the top of the bolt. The po left some of the bolts out and a light rust has formed in the threads. The rotational-capacity (RC) lot is designated as the A325 or A490 bolt production lot, assembled with the provided A563 nuts, of corresponding diameter and recorded production lot number, and the provided F436 washers, of the corresponding diameter and production lot number. Rev 3-4-09 Torque-Tension Relationship for ASTM A193 B7 Bolts and Studs Tightening Torque K = 0. And use bolts that's long enough so the threads can penetrate the entire length of the threaded holes in the flywheel to prevent the threads from being pulled out. I have a bolt with a thread pitch of. Vehicle Specific FEL-PRO Head Bolt Set ES71028. BS449: Part 2 Bolt Grade 10. Earlier head bolts will not. WARNING: USE ONLY LUBRICANTS COMPATIBLE WITH PVC OR CPVC MATERIAL. Kit of 15 head bolts for 1998-2003 LS1 Camaro/Firebird and 1997-2003 Corvette and 2001-2003 LS6 Corvette. Position this socket onto the bolt head to ensure it is the correct size. 25, and plain non-plated bolts (as received) =. U-Bolts that have been well lubricated with an anti-seize compound will have a torque range between plated and unplated values. Powers Fasteners 5914 Power-Bolt 3/8 x 3-1/2 304 Stainless Steel Hex Head Sleeve Anchor. 5 times the diameter of the screw, and in cast iron or brass, 1. Other variations which affect compatibility::. Bolt Express customers count on us for transportation of urgent shipments and 24/7 tracking. Tapered Socket Head Bolts. When bolts are designated with a material property of A325 , the bolt strength in the ASTM varies based on the bolt diameter. System of Measurement Metric Thread Size M8x1. 5 or 2mm wider on each side of the thread, so an M10 bolt normally has a 13 or 14mm. "Clearance holes for inch fasteners" calculator was developed to calculate the recommended clearance hole sizes from #0 through 1. 1 Introduction Objectives 3. Vehicle Specific FEL-PRO Head Bolt Set ES71028. Torque is only an indirect indication of tension. Please select your Metric or Imperial unit type from the list and start the converter. Here is the list of metric units converters which are recently most used. properties:. It was never one of ours. 50 x 65mm Hex Head Flange Bolt Non Serrated Class 10. Ideally, 7/16 or 12mm fine threads should be just fine, and a normal hex size would work, but really want the taller head as Ill end up putting a radius on the top of the head which will end up thinning the head on the outter edges a bit. Wrench Size; ANSI/ISO DIN JIS DIN/ISP. -18 RH Thread, 1. 9; 6mm: 3-5. ? Yesterday I had to weld a Allen wrench to a stripped out Allen head bolt that was recessed. 500 in diameter. 1) Bolt sizes are defined in terms of their nominal diameter, length under the head and thread length. Recommended Torque Values ANSI 150# Flanges ANSI 300# Flanges ANSI 400# Flanges Size Qty. Materials include: Carbon Steel, Alloys, Brass, Bronze, Monel (QQ-N-281), Nylon, K-Monel (QQ-N-286), 18-8 Stainless, 316 Stainless, 400 Stainless. Square or rectangular opening flap gates are. 1 KUAB Anchor Bolts (Undercut Anchors) P10. 3) Thread Length. 125 3/8 1 1. Bolthouse FarmsⓇ Cucumber Ranch dressing doubles as a marinade and a drizzle in this must-try taco recipe. For such a joint, when the nut face and bolt head sizes have the same diameter and finish, it will not matter whether the bolt head or the nut is tightened. The Computer-Aided Design ("CAD") files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Countersunk where the screw head ends flush with the surface, used when working with wood e. Make a note of it for future reference** Torque Wrench capable of 430 ft-lbs of torque (or higher if hitch ball manufacturer specifies). Use flange head bolts and flange nuts to reduce bearing stresses against the joint material. I am not talking about the lines on the heads of bolts that indicate what Grade the fastener is. Some people believe that by tightening the bolt head rather than the nut it will affect the torsion in bolt shank. Metric tap sizes are designated by a capital M, the outside diameter in millimeters, and by the pitch in millimeters; such as M22 x 1. 375 7/8 2 2. A popular formula for quick bolt torque calculations is T = KFd, where T denotes torque, F denotes axial load, d denotes bolt diameter, and K (torque coefficient) is a calculated value from the formula: $$ K = \left({ d_m \over 2d }\right) { \tan{\psi} + \mu \sec{\alpha} \over 1 - \mu \tan{\psi} \sec{\alpha} } + 0. Head Dia (Binder) DIN 85: Washer Thickness DIN 125: Head Dia (Round Head) DIN 86: Washer Dia DIN 125: Head Dia Pan Head DIN 84: Lock Wash Thickness DIN 7980 DIN 912: Head Dia (Fillister) DIN 85: Lock Wash Dia: Head Dia (Flat) DIN963 (Oval) DIN964: Thin Nut Thickness : Width Across Flats Hex Head (DIN933 Full thread) (DIN931 Partial thread) Nut. is the leading manufacturer of stainless steel fasteners in Thailand facilitating a production capacity of over 6,000 metric tonnes per year. Get free shipping. in your basket Checkout Now. Value Collection - 3/4-10 Thread, 4" Length Under Head, Steel Hex Head Bolt - Hot Dipped Galvanized Coated, UNC Thread, ASTM A307, Grade 2 Your Price: $4. For example, the edge distance for a 4(. Head bolts are the bolts that hold the heads on a motor. shear strength teChnICaL Data sheet nUCOr Fastener NomiNal Bolt Diameter Gr 2 a307a & B Gr 5 / a325 Gr 8 / a490 1/4" 74,000 60,000 120,000 150,000. AN4 BOLTS 1/4-28 Hex head aircraft bolts are made of high-strength type 4037 or 8740 alloy steel (type 8740 is most commonly used). Buy an ARP Hex Head Cylinder Head Bolt Kit for your 289 or 302 Engine from CJ Pony Parts! This ARP Hex Head Cylinder Head Bolt Kit also includes washers. For standard size bolts where the head usually sits above the surface, the measurement is from directly under the. When reading our wrench conversion chart, start with the bolt that you are fastening. shelf brackets, curtain rails or ornamental brass. Contact us online or call (866)748-3876 for ordering and shipping information on Huck® fastening systems. - For a full list of discontinued products and their substitutes, download Form S-A-DSCANCH17. 3 Types of Rivets 3. The cutting tools used for hole-making are available in standard sizes that can be as small as 0. 75 or 3/4, which is the wrench size needed for this standard-sized bolt. Most of your aftermarket aluminum performance cylinder heads, like the GT40X head, also use a 351W size 1/2" head bolt hole. If you need help finding the right bolt for your needs, feel free to contact us. Because of its high thermal stability, Inconel can be used in service temperatures ranging from cryogenic to 2200°F (982°C). F bolt = the amount of bolt thrust P max = the maximum (peak) chamber pressure of the firearms cartridge A external = the outside area of the cartridge case head. 6 2011, A325 heavy hex bolts have a shorter thread length than most other construction fastener grades. Table reprinted with permission from MACHINE DESIGN, Nov. Along with u-bolts, we carry U-Bolt Tie Bar Plates in select sizes as well. 00 PSI Joint Efficiency: 100 % Inside Diameter (corroded): 42. Rod Bolts. 95 : straight hose end $0. For both metric and standard bolts, the head size is the distance across the flats. Carriage bolts are very misunderstood and yet very simple to install. Bel-Metric : Metric Banjo Bolts and Fittings - License Plate Fasteners Flange Bolts 10. Kit of 15 head bolts for 1998-2003 LS1 Camaro/Firebird and 1997-2003 Corvette and 2001-2003 LS6 Corvette. Plain = PB050----- Zinc = PB050-----Z1 D A F S B Depth of Square and Head Bolt Width of Square Diameter Head Diameter Feed Thickness Max Min Max Min 5/16. So, let’s say your torque wrench is a foot long, and you apply 30 pounds of force to the handle. Measuring threads. These include oval head screws, flat head screws, elevator bolts and plow bolts. Available in hex head and six other head styles. Standard Specification for Stainless Steel Socket, Square Head, and Slotted Headless-Set Screws: F901 - 01(2017) Standard Specification for Aluminum Transmission Tower Bolts and Nuts: F2281 - 04(2017) Standard Specification for Stainless Steel and Nickel Alloy Bolts, Hex Cap Screws, and Studs, for Heat Resistance and High Temperature Applications. Reference: Machinery's Handbook published by Industrial Press. Size quoted is 0. 5 is a metric bolt with a 10 mm diameter and 1. formula for relating torque to tension. Landing on feet: Distance of Fall (ft) Velocity on Impact (ft/s) Deceleration Distance (in) Rate of Deceleration (ft/s^2) Weight (lbs. Head Shank Steel is most common Bolted joint components: Bolt NEVER in shear or bending Stress concentrations at the root of the teeth Fatigue crack propagation! Exception: Shoulder bolts Keep threads clean & lubed to minimize losses ~50% power to bolt head friction ~40% power to thread friction ~10% power to deforming the bolt and flange. Actual weight values may vary from those provided here and, though we try to make the values as accurate as possible, Portland Bolt makes no claims about accuracy and accepts no liability resulting from the use of the values provided on this page. 250 in Ww Fillet Leg Size (Web to Baseplate) 0. What size is the bolt that broken. Chrome Coated Stainless Flat Head Phillips Wood Screw, Choose Size/Length & QTY, 18-8 (304) Stainless Steel Screw By Bolt Dropper. If you're looking for the next big thing, FUTEK has a library of over 100 new and innovative ideas to incorporate its load cells, torque sensors, pressure sensors, and multi-axis sensors. Hope Technology (IPCO) Ltd. 8 bolt will begin to stretch at. bolt_hex: Body Diameter Basic: Body Diameter Max: Body Diameter Min: Width Across Flats Basic: Width Across Flats Max: Width Across Flats Min: Width Across Corners Max: Width Across Corners Min: Head Height Basic: Head Height Max: Head Height Min: Radius of Fillet Max: Radius of Fillet Min: Thread Length 6" and Shorter: Thread Length Over 6. Introduction 1 1. The 'sizes' of Whitworth spanners refers to the diameter of the threaded stud, and not the bolt head itself: it is not an AF system. If you retap the stripped out hole with a 1/4-20 tap and use a 1/4-20 bolt, it will usually hold just fine. Same joint configuration (a) Material(s) (b) Surface finish (c) Washer(s) (d) Number of joint interfaces 6. British Standard Whitworth (B. Standard Threaded Rods. The third, fifth, and seventh columns are to the nearest sixty-fourth of an inch: - Diameter of Bolt and. #8 x 1-3/4" Stainless Deck Screws (100 Pack. In addition, the bottom end of each hinge arm has a fine adjustment bolt to further limit the double-hinge action. If you’re making standard-size bolt, you should look up the standard head dimensions (and features, and tolerances) in the applicable ISO or ANSI standards, or in a handbook such as Machinery's Handbook. 6 f - 568 class 8. For example, a 4mm diameter bolt is commonly known as an 'M4' bolt. Belt Tensioner & Remote Mounts. 5/16-24 looks about right but it doesn't feel right when I start it. face and bolt head sizes have the same diameter and finish, it will not matter whether the bolt head or the nut is tightened. PASS 1: Torque to a maximum of 30% of the final torque value in accordance with the torque sequence. 7) Collar Diameter. 0 Diameter of anchor bolt BCD Bolt circle diameter D ped Diameter of pedestal h ef Depth of embedment M ped Overturning moment at the base of the pedestal F u Max. We are pleased to announce that Circle Bolt & Nut is now part of Optimas. Actual weight values may vary from those provided here and, though we try to make the values as accurate as possible, Portland Bolt makes no claims about accuracy and accepts no liability resulting from the use of the values provided on this page. The tensile load a fastener can withstand is determined by the formula P = St x As. First row gives the major diamter, second row gives the minor diamter, third row gives the number of threads per inch, and the fourth row gives the distance between nut flats for hex nuts (1/4" to 5/8" sizes), and heavy hex nuts (3/4" to 1 1/4" sizes). Enter values below to calculate the diameter of a bolt circle. Determine spanner size when know bolt stud size|| By M TECH JAY KOSHAL. minus 2 x E min. So they are M8 13mm, what size tap/die do I use to clean up the threads on the fender nuts. Suggested Maximum Torque Values for Screws and Bolts. jor diameter of the thread, and a minimum body di-. The six-bolt pattern is designed so that if you have a six-bolt head or block but do not want to use this feature, you can use a standard four-bolt gasket. 5 or 2mm wider on each side of the thread, so an M10 bolt normally has a 13 or 14mm. #N#Mil-Spec Fasteners is an ISO9001:2008 compliant Distributor of Fully Traceable MS Military Fasteners, AN Military Fasteners, NAS Military Fasteners and DFAR Compliant Fasteners. MSC Industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today!. 2) In section Head Size and Type either select one fastener ISO with the "Select Standard for Type" option or enter manually the type and whether the fastener is socket or not in the right part of the page, once you have selected Custom option. 44 : 10mm-1. Connector Products. 020 inches depth of cut) run at 600 fpm. 5/16 1/2 #2 5/64 M4 7. Find a retail store near you or shop online for every BOLT Lock! In-Store or Online. Nominal Thread Size ensile (Wedge) Strength (Min. Preload Loss Tests: 1. 5: Formula for displacement: To Find the CC size of a Head Needed For. Hangers, Joist and Beam Hangers - For a full list of discontinued joist and beam hangers and their replacements, download Form S-C-DSCCONN19. K values: waxed (e. Wood Screws, Over 1,600,000 in Stock. A popular formula for quick bolt torque calculations is T = KFd, where T denotes torque, F denotes axial load, d denotes bolt diameter, and K (torque coefficient) is a calculated value from the formula: $$ K = \left({ d_m \over 2d }\right) { \tan{\psi} + \mu \sec{\alpha} \over 1 - \mu \tan{\psi} \sec{\alpha} } + 0. The right moveable and R (called. British Standard 190-1924. ) roof Load (Min. 5: Formula for displacement: To Find the CC size of a Head Needed For. 11 H-Point —The H-Point is the Pivot Center of the torso and thigh on the Two-or Three-Dimensional devices used in defining and measuring vehicle seating accommodation (see SAE J826). when you order $25. are made. In addition, the bottom end of each hinge arm has a fine adjustment bolt to further limit the double-hinge action. The following table of hex bolt head dimensions was adapted from ASME B18. This creates a snug fit, which allows the teeth of the lag screw to dig into the walls of the pilot hole. Like Hexagonal bolt is there any direct formula or converting factor _____. Bolt, one of the most widely used fasteners in the industry, is usually tightened by applying torque to the head and/or nut. ) is calculated by arbitrarily assuming useable bolt. There is a range of bolt sizes in which the nut size is 1. 5) + 1 = (12 * 1. • Series: Tips on Bolt Tensioning will need to be calculated using the smallest stressed diameter on the bolt. ITEM: BOLT/NUT SIZE: NM: INCH LBS: Cylinder screw for oil pump 5mm: 5: 45: Spark plug, engine cold: 14mm: 27: 240: Allen screws for stator plate. Cat® Bolts are engineered to exceed SAE Grade 8 standards and ISO 10. All action designers are concerned primarily with producing a safe and functional product. Regardless of the manufacturer of the body, it was discovered the if a rifle needed a bolt head over a size 3 then the body was worn out to - and possibly beyond - the depth of the hardened locking shoulders. ANCHOR BOLTS AND ATTACHMENT HARDWARE RELEASE DATE: 6/09/04 TABLE OF CONTENTS ANCHOR BOLTS AND ATTACHMENT HARDWARE General Description P10. Bolt Circle Flange Width. Print this page. You will usually need to pre-drill a 5/16” pilot hole into the rim joist if you are using ½” lag bolts. On bicycle chainrings this dimension is usually measured in millimeters. 8266 1/8 15,136 Head/knee/elbow - male 11 26. Don't let them tell you different! $350. Table reprinted with permission from MACHINE DESIGN, Nov. DIN - Deutsches Institut für Normung. Provide our customers with superior service that matches our product quality and pricing. Your dimension now have the diameter symbol. Stocked in diameters from 3/8. Head/Wrench Size. for pricing and availability. Alternator and/or Power Steering Brackets. It was never one of ours. Provides full 360° hole contact over large area and reduces concrete stress. Brackets - Crank Pulley - Camaro 98-02 (GTO). Set angle to the hole location. Made primarily for wood, carriage bolts have a square shoulder right below the head. Make Offer - M8 M8x50 Metric Bolts Stainless Steel Socket Head 50mm allen head Lot Of (50) M8 X 20 Zinc Pltd Flat Socket Head Screws/Bolts 8. Torque is only an indirect indication of tension. Metric grades 8. The diameter of the holes that are equally distributed around the bolt circle diameter Bolt circle diameter: the diameter of the circle on which the holes will be evenly distributed. F i = Bolt Pre-Load Force (lb f) d = Bolt Nominal Diameter (in) Bolt torque provides only an indirect approximation of material stress. This applies to clean and and dry parts. * Fits early 134 cubic inch gas engines with small chamber heads casting # EAE6085E, EAE6090F and 7/16" head bolts. Round Head Square Neck Carriage Bolts With. Fastener Dimension Guide. Length of Bolts (L) is shown in millimetres rounded to the nearest 5mm. Using the formula for finding distance we can determine Usian Bolt's average speed, or rate, when he broke the world record in 2009 in the 100m. 9 Metric Nuts Metric Washers Allen Head Fasteners Small Wrench JIS Bolts 8. Pivoting bolt handle gives you the mechanical advantage to extract even the most stubbornly stuck cases. Bolts that were tightened with washers under the bolt head were compared. These correspond to the fine, medium and coarse grades respectively. Features: Bolt diameter. If you’re making standard-size bolt, you should look up the standard head dimensions (and features, and tolerances) in the applicable ISO or ANSI standards, or in a handbook such as Machinery's Handbook. 25 Length (mm) 20. The average ultimate load on the bolts tested in tension was 56. where L is the total bolt length and d nom is the nominal bolt diameter. 7/16-14 x 1 Stainless Steel Capped Pan Head Bumper Bolts With Lock Nuts Stainless Steel Capped Pan Head Bumper Bolts With Lock Nuts ; Zinc; 7/16"-14 x 1" Head Diameter: 29/32" Shoulder Length: 5/32" GM; 25 Per Package View Catalog Page. Use the inside jaws to measure the diameter of one of the holes. Same bolt head and nut type/size/material 4. 73:1 rear end. 7 mm) per the International Building Code (IBC). The answer is simple. I am not talking about the lines on the heads of bolts that indicate what Grade the fastener is. It consists of a U-shaped metal frame F with a fixed stud A. 7M, Table 14, "Dimensions of Hex Head Machine Screws. 250 diameter Bearing F) 57. The term socket head capscrew typically refers to a type of threaded fastener whose head diameter is nominally 1. Additionally the bend type must also be given to avoid problems in specifications of semi-round bend shapes. Cadmium II Plated Non-Structural Pan Head Screw 6-32 Diameter x 3/4 length. 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896- 1166 FAX (713) 896-7879 Tool Size Chart Inch Fasteners Metric Fasteners. 1 KUAB Anchor Bolts (Undercut Anchors) P10. Select from the drop down lists below and click "Submit" to locate standards. 5 x Diameter 2 x Diameter (Minimum) Tighten Hex Nut Securely Against Load Wrong One eye bolt diameter or less. from the surface of the masonry to the bolt head bearing surface. A good example: If a bolt measures 2 inches in total lenght, 1/2 inch in diameter with the exception of the head areas that measures about 3/4 inch, what would be the estimated surface area?. Formula to use: Bolt Tensile Stress Area = pi/4 x (d2) Units Bolt Tensile Stress Area = (mm2 or In2) d = Smallest Stressed Diameter on bolt = (mm or In) Design Check:. Same bolt diameter 5. Inconel® bolts, like Inconel 600, 601,625,686,718 & 725 bolts, are a family of nickel-chromium-molybdenum alloys used for their high strength at elevated temperatures and good corrosion resistance. 30000 kg/hr of water needs to be pumped from one vessel to another through the system shown in the diagram below. BALDWIN 5-24/25-in Satin Nickel Flush Bolts. According to IS : 1362-1962 a screw thread (VEE type) is designated by letter M followed by nominal major diameter. lbzdrtymax · Registered. Belt Tensioner & Remote Mounts. 5 from 22, to get 20. The size is indicated by the position of the metal slide with reference to etched scales on the metal arms. Measurement Standard. measure the diameter of the threaded or shouldered section of a bolt*, round it up to the nearest 0. One kit per cylinder head; order 2 per engine. All action designers are concerned primarily with producing a safe and functional product. Based on this value the bolts were c~assifiedas being ,very nearly minimum strength bolts•. 134-3610: Chevrolet Small Block GENIII LSX 12pt Head Stud Kit. Shear strengths of bolts by diameter. A socket cap screw, also known as a socket head capscrew, socket screw, or Allen bolt, is a type of cap screw with a cylindrical head and hexagonal drive hole. Dimensions and Weights (full) ASME B36. How to request a ride with Bolt app: 1. So I go into the Home Depot and ask the "bolt aisle" guy for an M10 approx. ) Also to find what size hole the BOLT HEAD will fit through (such as use with a keyhole slot) the formula is Width Across Corners = Width Across Flats/cos(30deg). We specialize in CRF50, KLX110, SSR, Z50, CT70, Pitster Pro, Piranha MX, Honda Retro Minis and any other pit bike under the sun! Going 10 Years Strong, check out our store, and make us your #1 Pit Bike Store!. Can someone help me with info where to find those regulations ? Example: can we connect 5 mm plates using M24 ? or. Buy Hex Nuts, Jam Nuts at InStock Fasteners - The low-price easy-to-use source for industrial and construction fasteners - screws, nuts, bolts, washers, pins, & more - standard fasteners. Bolt Group and Bolt Stress Analysis (AISC 9th Edition) Beam Bearing Plate Analysis (AISC 9th Edition) Beam End Connection Using Clip Angles (AISC 9th Edition) Beam Connection Table–Clip Angles Welded or Bolted to Beam : Conversion Calculator for feet-inches-fraction and Metric Arithmetic : Slab on Metal Deck Analysis (SDI and ACI 318-99). Made primarily for wood, carriage bolts have a square shoulder right below the head. Jump to Latest Follow 1 - 9 of 9 Posts. As with maximum spacing, this is a minimum requirement. As thumb rule up to 3mm allen bolt minus 0. Sort by Bolt Size M3 (1) M4 (5) M5 (19) M6 (44) M8 (37). 1 Dimensions of Hex Bolts - Imperial units; US Hex Bolts - Metric - ANSI/ASME B18. Wedge anchors are not designed to be used in other base materials, such as brick or block. For example, a bolt labelled M10 x 1. Having at least 2 times the bolt diameter is highly recommended. Slotted Track Bolts, Ribbed Neck: Slotted track bolts with a ribbed neck, round head bolt, and a slot that extends across the center of the top of the head for driving. Rear Main Cap Engine Oil 120 ft-lbs. 001" but all four of them clock within like 3 degrees past on both my bolts. Hex-Head Bolts, 2-1/4 in. I bought the X3 square point tools as listed and there is no way in hell that it will remove the head bolts. Make sure all threads are clean and free of debris. Following formula are used to calculate spanner size - For bolt size upto M14. Lock Sets to Your Key. Re: What wrench to use on the size of bolt 1. Order Cylinder Head Bolt for your vehicle and pick it up in store—make your purchase, find a store near you, and get directions. All action designers are concerned primarily with producing a safe and functional product. #N#Sportster engine family consists of 3 sub families. Buy direct, free shipping over $150. This is represented by the last number in a metric bolt's designation. Crankshaft to Flywheel Bolt: 253: 35: Sump Screen Nuts: 5: 0. g gasket thickness. For anchor bolt normally the anchor bolt holes on base plate are much bigger than anchor bolt diameter due to cast-in anchor bolt construction tolerance, while the anchor stud is rigidly welded to the base plate. M5 Socket Head Bolts; M6 Socket Head Bolts; M8 Socket Head Bolts; M10 Socket Head Bolts; M12 Socket Head Bolts; Standard Bolts. If you encounter this, your may need to experience with all four. Cylinder Head Bolts Main Bearing Bolts Rod Brearing Bolts Crankshaft Damper Bolts Flywheel Bolts Manifold Spark Plugs Oil Pan Drain Plug Intake Exhaust 2005: 6: 3. Dimensional table of Allen DIN 912 Bolt: thread, metric d, thread length b, head diameter dk min, dk max, head high k min, k max, key width s nominal, s min, tmin. Features • • Sold•in•Individual•Sets•or•Box•Quantities. The chart is applicable 99% of the time for open end, box end, 6 and 12 point sockets. Width Across Corners. 2 d d d n m res + =. 0 threads are a bastard size. 25: 24mm: Tapered (60˚). TIP: the hole depth should be a minimum of 4 1/2 times the diameter of the bolt (a 1/2 inch threaded rod would require a hole depth of 2 1/4 inches). The size most commonly associated with screw threads is the nominal diameter. Bolt head markings (nuts too, SAE, ASTM) Bearing Number Calculation Formula - Duration:. The best quality home cleaning products. Basic specs are free and open to everyone They usually include engine images, displacement, dimensions and weight, essential bolt tightening torques, plus characteristics of the engine e. PS Pump Type -- Saginaw. The cutting tools used for hole-making are available in standard sizes that can be as small as 0. Stainless Steel (A2-304) Hexagon Full Nut. 9382 / n)] 2, where d is given in mm, and n is given in threads/mm. This distance is measured. english/ metric bolt substitution table equivalent metric bolt substitution – astm grade bolt sizes f - 568 class 4. For example, if the metric bolt was M14x1. com www thenutplace com How do I determine the Wrench size or Hex Key size for Hex Head Bolts and Socket Heads? Also available from The Nut Place. Nominal diameter is a more of a label than a size. mortar bed joints Coarse grout: at least 0. Example 3/8" bolt head size is 3/8" + 3/16" = 9/16" hex size. 5" 14 Bolt - Rear Axle; 195 MM Rear Axle; Technical Support. Screws larger than a #10 have a diameter listed directly in inches. 631" and my 22 trainer (really a no2 bolt head but same as a no1) is. Owner’s Stories. Re: What wrench to use on the size of bolt 1. 060" Bore, High Compression : 76. Torque the bolt to the required torque. At most you can probably check the bearing plate for punching shear instead of Appendix D. from precision medical instruments to high-performance robotic solutions, FUTEK products are designed to work in the most demanding environments - even on Mars. Templates are available for drawing nuts and bolts and can be recommended for their time saving advantages. Stud and Nut Sizes From our tables on Flange PCDs you can easily determine the recommended stud bolt diameter, and from the table below, you can determine the corresponding nut size. 62 12 354 172. 77 VALVES UNLESS OTHERWISE NOTED. • Add your credit card and never worry about carrying cash again. bolt_hex: Body Diameter Basic: Body Diameter Max: Body Diameter Min: Width Across Flats Basic: Width Across Flats Max: Width Across Flats Min: Width Across Corners Max: Width Across Corners Min: Head Height Basic: Head Height Max: Head Height Min: Radius of Fillet Max: Radius of Fillet Min: Thread Length 6" and Shorter: Thread Length Over 6. 11320 FM 529 RD BLDG F HOUSTON, TEXAS 77041 TEL (713) 896- 1166 FAX (713) 896-7879 Tool Size Chart Inch Fasteners Metric Fasteners. 95 Each : 12252401: 12 X 1. ) ardness AS1252 structural Nuts Dimensions of structural Nuts AS1252-1983 WIDTH ACROSS FLATS (S) M12to M16 800 640 22-32 (E) WIDTH ACROSS CORNERS. 5 is to remove the cover and inspect the ring gear bolts. The 20 Valve has 4-2 factory tubular extractors, the remainder have 4-2 cast manifolds. jor diameter of the thread, and a minimum body di-. All LT1 heads use self-aligning rocker arms. 060" for sizes over 3/4" to 1-1/4". J-Bolts Shoulder Bolts J shaped bolts are used for tie-downs or as an open eye bolt. Call this result B. The actual results were : Size / Number 0 went from 0. Type T-Bolt System of Measurement Inch Length Under Head (Inch) 3-1/2 Thread Size (Inch) 5/8-11 Material Steel Material Grade Grade 5 Head Height (Inch) 13/32 Head Width (Inch) 1-1/8 Thread Length (Decimal Inch) 2. For example, if the diameter of the bolt is 0. 55" Part Number: 12564243 (2001 +) LS6 valves are 0. Allen Bolt Cap Screws A2 (2967) Button Head Allen Bolt (1702) Countersunk Allen Bolts (1298) Hex Head Bolts (606) Hex Head Set screws (1121) Flanged Hex Bolts (543) Flanged Button Head Bolts (791) Pozi Pan Head Screws (1064) Slotted Pan Head Screws (509) Pozi Countersunk Screws (846) Slotted Countersunk Screws (1065) Pozi Raised Countersunk (457). In vino veritas; in cervisia carmen; in aqua E. Replacement required due to Torque to yield head bolts. 32 bolt 1-17-9-25 5-21-13-29 3-19-11-27 7-23-15-31 2-18-10-26 6-22-14-30 4-20-12-28 8-24-16-32 36 BOLT 1-2-3 19-20-21 10-11-12 28-29-30 4-5-6 22-23-24 13-14-15 31-32-33 7-8-9 25-26-27 16-17-18 34-35-36. (normal fit) Clearance dia. 0 block that came from a salvage yard. lbzdrtymax · Registered. Then mark the head of the bolt with a marker or pen. 3 4 Unf Bolt Head Size Posted on May 3, 2019 by Fattana Fastener handout sizing chart socket cap thomas smith fasteners grade 8 unf fine hex head cap s grade 8 zinc yellow unf fine hex head. Please measure cylinder head bolt diameter before ordering. The size of the head varies with the size of the machine bolt. MSC Industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today!. At the same time, lag screw pilot holes are definitely closer. shear strength teChnICaL Data sheet nUCOr Fastener NomiNal Bolt Diameter Gr 2 a307a & B Gr 5 / a325 Gr 8 / a490 1/4" 74,000 60,000 120,000 150,000. Screws larger than a #10 have a diameter listed directly in inches. Head Bolt Kit. To take full advantage of strength properties the shank of the bolt body should be within the shear planes. In addition, the bottom end of each hinge arm has a fine adjustment bolt to further limit the double-hinge action. Best Prices on Guns. LENGTH M5 M6 M8 M10 M12 M16 M20 M24 M30 8 * 10 * * 12 * * * 16 * * * *. For eg : for 10 mm Hex bolt , the spanner size is 15 mm ( formula is D = 1. All head dimensions are directly related to the basic screw diameter as follows: Minimum Length (mm) Nuts and Washers. Fittings Auto Bulbs and Harnesses Electrical Shop Supplies Cotter Pins. LS6: intake = 73 grams, exhaust = 65 grams LS1: intake = 101 grams, exhaust = 94 grams. The formula is: Injector size (lb/hr) = (horsepower x 0. Bolts are tightened usually by using a socket, wrench or screwdriver, so have a variation of head types. Along with u-bolts, we carry U-Bolt Tie Bar Plates in select sizes as well. Torque Values Chart for Common Bolt Sizes. There are two general types of SAE bolts (sometimes referred to as machine screws). If you need a fully threaded bolt you should ask for a tap bolt. The size of the head varies with the size of the machine bolt. The Differences Between Screws, Bolts, and Nails (and When You Should Use Each) Craig Lloyd @craigelloyd Updated June 20, 2017, 5:27pm EDT There so many different types of fasteners available that most hardware stores usually have an entire aisle dedicated to them. always torque bolts in three equal increments. 6 to M 64) [PGD 31: Bolts, Nuts and Fasteners Accessories]. This is a discussion on Lee Enfield (SMLE) Stock bolt head size within the Foreign forums, part of the Gun Forum category; So I got my hands on a 95% condition No5 Mk1 Jungle Carbine and other than a few cosmetic blemishes the butt is loose in. The typical minimum recommended value is 1. ) based on the measurements. 635" Size / Number 2 went from 0. For standard bolts, the head size is measured in inches or fractions of an inch. rf height of raised face. Almost all screw head types will either be flat on the top or on the bottom. 65 GTO, 65 421 HO. Head Bolt Kit. 5 is a metric bolt with a 10 mm diameter and 1. 1 meters (m), squaring gives 0. Mild Steel Hexagon Head Bolts 3. 9) (1)Using Equation. 5 is a metric bolt with a 10 mm nominal diameter and 1. 8 Calculation of Hole Dia and Pitch 3. -18 RH Thread, 1. Bolt patterns can be 4, 5, 6, or 8 lug holes. Lightning Bolt Solutions is the optimization leader in provider and staff scheduling for hospitals and health systems around the world. Then use the associated link download the PDF with all of the flanges. I am trying to find the correct size of nut for it, however the ISO thread chart says that a. Notes: Quantity per car: 2. Use the Mudge Fasteners bolt head size chart to determine the head size, and wrench or socket size required, for any hex bolt or lag screw you use. 00 Shank length (mm) [l1] 24. Bolt head markings (nuts too, SAE, ASTM) Bearing Number Calculation Formula - Duration:. 5) + 1 = 18 + 1 = 19. Reference: Machinery's Handbook published by Industrial Press. c) There have been instances where a bolt head falls way, way outside the expected (ie a size 0 measuring o. shelf brackets, curtain rails or ornamental brass. Nominal diameter is a more of a label than a size. They fit with corresponding tapped holes and nuts to create bolted joints. It's obvious that putting a 3" square bearing plate at the end will have more resistance to pullout/breakout than a simple headed bolt. of passes (N p): The numbers of flowpaths of liquid on tray are 1, 2, 3 or 4 as per liquid capacity requirement of column. 5 in for bolts, screws and studs in three classes of clearance using close-, normal- and loose-fit category. 060" for sizes over 3/4" to 1-1/4". To answer your question more specifically, it is possible to install a "bushing" in the bolt nose to accommodate a smaller cartridge head diameter, but as RifleDude stated, you would still need to address feed rail dimensions, magazine box change, cartridge follower change at the least for reliable functioning. Traditional Carriage Bolts have No Head Marks (or one or two simple marks) and partial threads. All other considerations such as weight, finish, eye appeal and other cosmetics are secondary. Always use two (2) wide flat washers per bolt (one under the head and one under the nut). Creating a larger blind side footprint, they provide excellent performance in thin sheet and non-metallic applications. The following table of the weights of mild-steel bolts and nuts may be found useful in the process of estimating weights of steel-work and fastenings. The tools that everyone is listing has 12 points and it way to large to fit in the head bolt and the Head bolt itself has 6 squared off points in it. K=torque-friction coefficient, D= nominal bolt diameter, in. 378 (a little harder to find. ††Every motherhood journey is unique, so your Enfamil Family Beginnings experience is tailored to the information you provide and may vary from what another mom might experience. The area is shown in Figure 3. 30 caliber barrel will be approximately 0. The diameter between flat sections on a structural metric bolt's head is always 1. Whitworth to B. #N#Low or Medium Carbon Steel. Sheet Metal Bending Allowance. 25: 24mm: Tapered (60˚). Do you need instructions for counting the threads or measuring the bolt diameter? 25. 1 2 3 4 5 6 7 8 9 10. Tray Parameters a) No. Addendums in June 1928 and September 1932. RH Fastener Size and get Free Shipping on Orders Over $99 at Summit Racing! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Bolts, Hex Head, Custom 450, Black Oxide, 5/16 in. Carriage Bolts come with a round head and a square neck, are commonly used in wood connections. Bolt Design is a Brooklyn Design and Architecture Firm, specializing in Hospitality, Event Spaces, & Commercial Design. Reflecting on his unprecedented second “triple triple”, he said: “There was a little bit more pressure,. Click Here for Printable Page. Free 5-8 business-day shipping within the U. Tighten hex nut securely against load One eye bolt diameter of threads or less, use two (2) nuts. Fastener Dimension Guide. Use the inside jaws to measure the diameter of one of the holes. A 1/2″ wrench fits a bolt with a head 1/2″ across. Bolt measurements can be calculated in millimeters or inches, but bolt measurements specified in inches are international. Markings on the bolt head help to identify the bolt rating. Archimedes Bolt Action. Standard Screw Gauge, found in Tools. Introduction 1 1. Another great way to enjoy Bolthouse Farms® Chocolate Plant Protein Milk is in these delicious Double Chocolate Chickpea Flour Cookies. This means that should you ask for a 1/2-inch x 12 x 4-inch Grade 2 Hex Bolt Head with a 1-inch. Asked in Chevy S-10 Exhaust flange bolt size on 1999 Chevy S-10 ?. Following formula are used to calculate spanner size - For bolt size upto M14. Provides full 360° hole contact over large area and reduces concrete stress. Lightly lubricate the bolt thread and the bottom of the bolt head by applying a small quantity of oil to a rag and rotating the bolt in the oily rag. Reflecting on his unprecedented second “triple triple”, he said: “There was a little bit more pressure,. Metric Grade A-4 Bolts. Below it would be the same size flat head bolt with the same information in the X column. Our plastic and nylon fasteners are made of non-metallic materials including acetal, polycarbonate, PVC and polypropylene. The bolt deformations are proportional to their distance from the I. How to know the allen key size for an allen bolt , is there any formula. Individual sizes should be checked before specifying any. i 3 for 1/2" bolt with hex nut as the turning element Note: The following calculations are based on 1/2" dia. The standard American bolt is defined by the inch system designation. Available in hex head and six other head styles. † This formula is gentle enough on hair for daily use—even for color-treated hair—and is the. 641") and it turns out that some enterprising individual has 'peened' over the rear face of the bolt head by as much as 0. I don't know if I'd use a replacement from a hardware store on something as crucial as a pressure plate. From North America's number one screw spike, the Evergrip®, together with its sibling the Permagrip®, to the new Quick-Set® Hook Bolt System, Lewis strives to build products that improve performance, save time and ultimately reduce maintenance costs. Head Dia (Binder) DIN 85: Washer Thickness DIN 125: Head Dia (Round Head) DIN 86: Washer Dia DIN 125: Head Dia Pan Head DIN 84: Lock Wash Thickness DIN 7980 DIN 912: Head Dia (Fillister) DIN 85: Lock Wash Dia: Head Dia (Flat) DIN963 (Oval) DIN964: Thin Nut Thickness : Width Across Flats Hex Head (DIN933 Full thread) (DIN931 Partial thread) Nut. British Standard Whitworth (B. The puller tool require either two 5/16" or two 3/8" diameter grade 8 coarse thread bolts with a thick flat washer under each bolt head so the head won't pull through the puller's slots.