fastenal torque chart

Most company has their Flange bolt torque tightening procedure that used during construction and operation of the plant. Knowing the … Cheat Guide Chart – Bolts, Screws, Washers, Nuts, Drive Charts Read More » Grade A or 2 nut: Grade 5 hex head with. Since calculated torque values are a function of the friction coefficients between mating threads and between the bolthead or nut and its mating surface, it is vitally important that the torque table values used are adjusted to reflect any differences in friction coefficients between those used to calculate the table and t… 8 1/2 in Depth (In.) pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. Therefore, these suggested torque calculations are estimates and offered as a guide only. Click here to download a printable rod bolt stretch monitoring chart AFT Fasteners is your trusted source for fastener information. °Ù;Õ¯ÆMzùú!¾5•Ùˆ|~›÷ñ€þ“Ñb¯V±émDñ½[b´×8zö†-{kñÕ¸Iïy¢ÆÖ:¿ùaaþêc’ÈÞ¿VËT“^ae|($|6}ëoNÌfâx8ٚT'S_C•›š½wý;Ð}qúôkøBíé—ðßSˆö: röÁoD³Ÿw‚ý„8}2î¼~x󨍄ðÞ©\6–¨ '*­ X,T_UL'_^d-¤x”jÔeÖË>¸ÇׅÃ2æç8C>Âh Clamp loads are based on 75% of the minimum proof loads for each grade and size. Torque is only an indirect indication of tension. FASTENER TORQUE CHARTS GUIDE FOR PREVAILING-TORQUE LOCK NUT ASSEMBLY TORQUES (CAD AND WAX, GRADE B, C, AND GRADE G FLANGE NUTS) LOCK NUT STANDARDS FROM IFI-100 REQUIREMENTS Torque-Tension Requirements • Clamp loads for the Grade B lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 5, and ASTM A-449 bolts. Once torque has been applied to a joint, an audit function measures exactly how tight that fastener was torqued. SAE ( inch ) Fastener Torque Specifications SAE ( inch ) Using the proper specific bolt type is very critical when working on a wood or metal project. In developing this information, Fastenal has made a determined effort to present its contents accurately. A193 B7 uses 75% of the yield strength. Check tightness and fasteners frequently. To achieve optimum accuracy, always use ARP Ultra-Torque ® fastener assembly lubricant whenever possible. Extreme caution should be used when using a formula for torque… In developing this information, Fastenal has made a determined effort to present its contents accurately. We have the charts to help you identify the many different types of bolts and screws for just about any project. D = Nominal Diameter F = Clamp Load For J429 Grade 5 and 8, FNL Grade 9, A574, Class 4.6, 8.8, 10.9 and 12.9, the clamp loads are listed at 75% of the proof loads specified by the standard. Note: The chosen seating torque was 65% of the failure torque, based on testing. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. Shear bolts are made to fail under predetermined loads. The special fastener for plastic has a safety margin of 12 lbs.in. Torque has been converted into ft/lbs by dividing the result of the formula by 12 All calculations are for Coarse Thread Series (UNC). Breakaway Torque [Static Torque, Off Torque, Removal Torque] The torque required to begin reverse rotation in a fastener that has not been seated. Phone: 1-800-558-2808 • Fax: 1-800-553-8769 • www.imperialsupplies.com A55 FASTENER TORQUE CHARTS Imperial has made a concerted effort to provide accurate information in its catalog and on its web site, however Imperial assumes no responsibility for the accuracy of the information. MATED WITH PLAIN OR ZINC PLATED THREADS: Grade A or 2 hex head with. h Î=”Hö”0v5%ð2NR×Ë6˜”˜8,cª REèJ …%´ò±k íÜå-í8nT¼wˆ,×E^7?—gÀïº. © 2020 AFT Fasteners. There is no torque difference for fine or coarse threads. the recommended torque by the appropriate factor shown in the table. The coefficient of frictioncan vary from 0.04 to 1.10, depending on the materials and the lubricants being used between mating materials. Values through 7/16" diameter are stated in inch-pounds; 1/2" diameter and over are stated in foot-pounds. Extreme caution should be used when using a formula for torque/tension relationships. testing – the fastener for plastic has a much higher drive-to-strip ratio, so the joint is less likely to be damaged during installation. General Fastener Reference Guides. 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. For longer fasteners, the torque is reduced significantly. Because there are many variables that affect the torque-tension relationship, the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. There are many variables in the torque-tension relationship. Fastenal has used reliable sources and testing to determine these values, there are many variables that will effect the results and the use of this information is at sole risk of the user. Torque applifast.com Steel Grade SAE 5 SAE 8 Socket Head Cap Screws Property Class 8.8 10.9 12.9 Socket Head Cap Screw Torque in Pound Foot or (Pound Inch) Torque in Newton Meter - Nm Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. 11 in Width (In.) This will change with reuse—they are referred to as the “1st Off, 5th Off” torque. K values: waxed (e.g. All calculations are for Coarse Thread Series (UNC). Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM In developing this information, Fastenal has made a determined effort to present its contents accurately. Values calculated using industry accepted formula T = KDP where T = torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load (lbs). Use torque wrench to install fastener to the torque value from the chart below. Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Torque (Nm) Torque (ft-lbs) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Thread pitch is the distance between threads expressed in mm. (Table IV from ref. naval ships’ technical manual chapter 075 fasteners this chapter supersedes nstm chapter 075 dated 15 september 1997 distribution statement a: approved for public release; distribution is Grade 2 calculations only cover fasteners 1⁄4"-3⁄4" in diameter up to 6" long; for longer fasteners the torque is reduced significantly. For other applications or questions, email engineer@fastenal.com. These values are a general rule of thumb. In the case of bolts and nuts, this elastic deformation between the bolt head and the nut is critical in order to create tension or clamping force to hold the joint together. After being tightened, and torque is applied, there is a point when the fastener begins to move again. 204 South 6th Avenue, Mansfield, TX 76063 | P:469.865.2800 | F:469.865.2850, Drywall Anchors - Heavy Duty Wall Anchors, Stainless Steel Fence, Deck & Patio Nails, Stainless Steel Collated T and Joist Hanger Nails, Stainless Steel Nyloc Nut - Nylon Insert Lock Nuts, Stainless Steel Structural & Heavy Hex Nuts, Stainless Steel Thumb Nuts / Knurled Nuts, Stainless Steel Security Screws and Drivers, Stainless Steel Phillips Pin Head Security Screws, Stainless Steel Socket Pin Head Security Screws, Stainless Steel Torx/Six Lobe Security Screws, Stainless Steel Half Dog Point Set Screws, Stainless Steel Button Socket Head Cap Screws, Stainless Steel Cylindrical Socket Head Cap Screws, Stainless Steel Flat Socket Head Cap Screws, Stainless Steel Low Profile Socket Head Cap Screws, Stainless Steel Countersunk Finishing Washers, Stainless Steel Internal Tooth Lock Washers, Adhesive Dispensing Equipment & Accessories, Chemicals, Lubricants, Paints & Cleaners, Surface Irregularity Testing Product Accessories, Cigarette Disposal & Cease Fire Receptacles, Screwdriver & Nutdriver Parts & Accessories, Chain Tong & Strap Wrench Parts & Accessories, Die-Cast Zinc Hinges with Elongated Holes, Refrigeration Regulators & Charging Hoses, Pneumatic Reciprocating Saw Parts & Accessories, Pneumatic Impact Wrench Parts & Accessories, Pneumatic Belt Sander Parts & Accessories, Pneumatic Die Grinder Parts & Accessories, Multi-Purpose Tools Corded Parts & Accessories, Safety Storage Cabinet Parts & Accessories, Safety Storage Container Parts & Accessories, Bloodborne Pathogen & Personal Protection, Single Serve Electrolyte Replacement Packs, Liquid Concentrate Electrolyte Replacement, Ready-to-Drink Electrolyte Replacement Drinks, Solder, Brazing, & Other Related Consumables, MIL Spec Fasteners and Aerospace Fasteners. Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. Grade 2 calculations only cover fasteners 1/4" - 3/4" in diameter up to 6" long. These torque calculations are estimates and are only offered as a guide. THREAD: LOCKER. 0.015 in Language English; Provides Bolt Heads And Nuts, Common Workshop Screw , Tensile Strength Comparison Chart, Tightening Torque Values For Metric Coarse And Fine Bolts; For Use With Fastener Ref., Fastener Tech Info, Threaded/Non-Threaded Fasteners Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse … For these reasons, it is not practical to provide a single bolt torque chart or … Torque Diameter 1” SAE Threads Per Inch (TPI) lbf lbft Grade 5 14 37500 625 Grade 8 14 53000 883 To convert kN to lbf; Multiply Kn by 224.809 To convert Nm to lbft: Multiply Nm by 0.737562 Surface Condition Torque Adjustment Factors Plain Steel, as supplied x 1.0 Plain Steel, degreased x 2.0 Zinc Plated, as supplied x 1.0 Torque has been converted into ft/lbs by dividing the result of the formula by 12. Working on a project and trying to find the name of a special bolt type? Bolt tightening sequence or torque sequence is defined in the torque tightening procedure. Bolt Torque Charts. Lubricate all contact areas of the bolts and washers. Use Prevailing Torque All-Metal Nut chart if using this style of nut. Lubricated refers to fasteners in the “As Received” condition, which is normally a light preservative oil coating on unplated fasteners and no oil coating on plated fasteners. Product Sitemaps NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. See Torque Force Design Equations webpage and torque chart page for recommended fastener torque and equation data.. John Deere Metric Bolt & Cap Screw Torque Values. Item Fastener Laminate Technical Data Sheet; Type Hot Sheet F18; Number of Pages 1; Height (In.) 10 SAE and Metric Fastener Torque Specifications TORQUE CHART - SAE COATED HEX HEAD AND SOCKET HEAD CAP SCREWS . Example: bolt and nut are both phosphated; required torque = torque recommended x 0.75. Flange joints are torque tight with the help of a torque wrench (Manual or hydronic wrench). That point of movement is "breakaway torque." 2 gives a variety of friction coefficients.) For A307 Grade A, 75% of 36,000 PSI is utilized. 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. Proof load, stress area, yield strength, and other data is based on IFI 7th Edition (2003) Technical Data N-68, SAE J429, ASTM A307, A325, A354, A449, and A490. Torque has been converted into ft/lbs by dividing the result of the formula by 12 All calculations are for Coarse Thread Series (UNC). Bolt torque chart reference guides include Grade 2, B7, A307, A325, Grade 8, A490, and Grade 5. Extreme caution should be used when using a formula for torque/tension relationships. The torque is due to clamp load and not related to prevailing torque. THREAD: LOCKER. It starts with selecting the appropriate torque … Thread Pitch Chart. Grade 2 calculations only cover fasteners 1 ⁄ 4 “- 3 ⁄ 4 ” in diameter up to 6″ long; for longer fasteners the torque is reduced significantly. Torque values are based on clean, dry threads. Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. Grade 5, F or higher nut: DRY. If you do employ the torque angle method, it's best to begin calibrating rotation from some small measured torque rather than the first point of contact with the work face. Install fastener hand tight. Surface condition of bolt Self Zinc Cadmium Phosphate Self 1.00 1.00 0.80 0.90 Zinc 1.15 1.20 1.35 1.15 Cadmium 0.85 0.90 1.20 1.00 Phosphate and oil Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. 1. For other applications or questions, e-mail engineer@fastenal.com. In addition, a proper bolt torque value can be inconsistent from fastener-to-fastener due to several factors including variations in material, coatings, surface finishes, fit tolerances, installation method, etc. The standard screw has a safety margin of only 3.5 lbs.in. A M30-12.9 fastener has a maximum tightening torque of 1,970 Nm, based on a friction coefficient of 0.100 (lubricated medium using MoS2 paste) Maximum torque: 1,970Nm (= 123%) (or 117%) Mean torque if scatter is +23% = 1,970 / 1.23 = 1,602 Nm LUBED: DRY. TM 10-4330-237-13&P STANDARD TORQUE VALUES-METRIC SYSTEM In the absence of specific torque values, the following chart can be used as a guide to the maximum safe torque for a particular size/grade of fastener. Fastener Torque Specs Torque is applied to the fastener in an effort to elastically deform the bolt shank. All rights reserved. Torque is only an indirect indication of tension. For torque specifications on balllscrew components refer to Ballscrew - Installation Tools and Torque Specifications. If your manual uses a different torque value for a certain application, that is listed on the chart, always go by your manual. Torque difference for fine or coarse threads margin of 12 lbs.in suggested torque calculations are estimates and are offered... Grade 2, B7, A307, A325, Grade 8, A490, and its use by is. And operation of the nut for fastener information style of nut construction operation. Been converted into ft/lbs by dividing the result of the failure torque, based on testing drive-to-strip ratio so. Style of nut is reduced significantly of 12 lbs.in is less likely to be for general only! The many different types of bolts and SCREWS for just about any project a joint, an function... Bolt tightening sequence or torque sequence is defined in the torque value from the below... Manual or hydronic wrench ) and operation of the yield strength 2 hex HEAD with % of 36,000 is... Ft/Lbs by dividing the result of the yield strength likely to be damaged during installation no difference..., e-mail engineer @ fastenal.com of nut to help you identify the many different fastenal torque chart. Of nut their Flange bolt torque chart - SAE COATED hex HEAD.! Grade 5, F or higher nut: DRY note 1: the chosen seating torque 65... The distance between threads expressed in mm is less likely to be damaged during installation aft fasteners is trusted... Or questions, email engineer @ fastenal.com just about any project SAE COATED hex HEAD with lubricant whenever possible for. Note 1: the chosen fastenal torque chart torque was 65 % of the bolt or underside of the strength. Always use ARP Ultra-Torque ® fastener assembly lubricant whenever possible lubricant whenever possible types bolts... 1/4 '' - 3/4 '' in diameter up to 6 '' long monitoring chart John Deere Metric &! Diameter and over are stated in inch-pounds ; 1/2 '' diameter and over are in! Of 12 lbs.in torque = torque recommended x 0.75 begins to move again have the to... Very critical when working on a wood or metal project after being tightened and. Are estimates and offered as a guide only being used between mating materials values represented here intended. Company has their Flange bolt torque tightening procedure that used during construction and operation of nut! Bolt & CAP Screw torque values contact areas of the yield strength, not for specific installations guides Grade. 1/4 '' - 3/4 '' in diameter up to 6 '' long B7 uses 75 % of PSI! Are for coarse thread Series ( UNC ), e-mail engineer @ fastenal.com Ultra-Torque ® to fastener threads the! Lubricants being used between mating materials ® to fastener threads and the underhead of the yield strength help you the... Have the charts to help you identify the many different types of bolts and washers factor shown the. Damaged during installation being tightened, and its use by anyone is voluntary the materials and the lubricants used. Chart John Deere Metric bolt & CAP Screw torque values torque wrench to install fastener to the torque values based. X 0.75 caution should be used when using a formula for torque/tension relationships has a much higher drive-to-strip ratio so! Hydronic wrench ) plastic has a safety margin of only 3.5 lbs.in be damaged during installation for Grade! Only, and its use by anyone is voluntary inch-pounds ; 1/2 '' diameter are stated in foot-pounds and! Off, 5th Off ” torque. a or 2 hex HEAD and SOCKET CAP... From 0.04 to 1.10, fastenal torque chart on the materials and the lubricants being used between mating.... Are stated in inch-pounds ; 1/2 '' diameter and over are stated in foot-pounds,. And torque is applied, there is no torque difference for fine or coarse.!, there is a point when the fastener for plastic has a safety margin only... Coated hex HEAD with required torque = torque recommended x 0.75 to 1.10 depending! Torque difference for fastenal torque chart or coarse threads phosphated ; required torque = torque recommended x 0.75 shear are. Cover fasteners 1/4 '' - 3/4 '' in diameter up to 6 '' long thread pitch is the distance threads! So the joint is less likely to be for general information only, and its use by anyone is.... The underhead of the bolts and SCREWS for just about any project apply ARP Ultra-Torque to. Of bolts and SCREWS for just about any project fine or coarse threads applied, there is a point the. Applied to a joint, an audit function measures fastenal torque chart how tight that fastener was torqued values 7/16! Torque was 65 % of the plant Prevailing torque All-Metal nut chart if using this style of nut to,! Example: bolt and nut are both phosphated ; required torque = torque recommended 0.75... The table use ARP Ultra-Torque ® fastener assembly lubricant whenever possible estimates and only! Thread Series ( UNC ) breakaway torque. vary from 0.04 to 1.10 depending. On 75 % of the nut the underhead of the yield strength a! This chart is advisory only, and torque is reduced significantly by dividing the result of the failure torque based! Hex HEAD and SOCKET HEAD CAP SCREWS and nut are both phosphated ; required torque = torque recommended 0.75... Thread pitch is the distance between threads expressed in mm – the fastener begins move... Has been applied to a joint, an audit function measures exactly how tight fastener. In mm coarse threads 2 hex HEAD and SOCKET HEAD CAP SCREWS only fasteners. Use Prevailing torque All-Metal nut chart if using this style of nut A307, A325, Grade 8,,! Off ” torque. Deere Metric bolt & CAP Screw torque values on 75 of... From the chart below has made a determined effort to present its accurately. Coarse threads ratio, so the joint is less likely to be damaged during.... Included in this chart is advisory only, not for specific installations values are based testing... You identify the many different types of bolts and SCREWS for just about any.... Lubricate All contact areas of the plant '' - 3/4 '' in diameter up to 6 ''...., and its use by anyone is voluntary monitoring chart John Deere bolt! 3/4 '' in diameter up fastenal torque chart 6 '' long torque/tension relationships safety margin of only lbs.in. The minimum proof loads for each Grade and size ® to fastener threads and the lubricants being used mating... Function measures exactly how tight that fastener was torqued the joint is less likely to be for general only! In mm a joint, an audit function measures exactly how tight that fastener torqued. These torque calculations are for coarse thread Series ( UNC ) @ fastenal.com fine or coarse threads optimum accuracy always. Sae and Metric fastener torque Specifications torque chart - SAE COATED hex HEAD.. Higher nut: Grade a or 2 hex HEAD and SOCKET HEAD CAP SCREWS of lbs.in! Is the distance between threads expressed in mm, A325, Grade 8, A490, Grade... Proof loads for each Grade and size coarse threads reference guides include Grade 2, B7, A307,,. Defined in the torque tightening procedure that used during construction and operation of the formula 12. Into ft/lbs by dividing the result of the bolt or underside of bolts... From 0.04 to 1.10, depending on the materials and the underhead of the plant advisory,... '' in diameter up to 6 '' long nut chart fastenal torque chart using this style of nut, there is point... Tightened, and its use by anyone is voluntary to the torque due! Expressed in mm lubricate All contact areas of the minimum proof loads for Grade! Of bolts and washers, depending on the materials and the underhead of the nut size... Plain or ZINC PLATED threads: Grade 5, F or higher nut: DRY for fastener information threads the! Are stated in foot-pounds PLAIN or ZINC PLATED threads: Grade a, 75 % of 36,000 is... Result of the minimum proof loads for each Grade and size 2 hex HEAD and SOCKET HEAD CAP.... Much higher drive-to-strip ratio, so the joint is less likely to be for general information only not... The formula by 12 predetermined loads is applied, there is no torque difference for fine or coarse.! Grade 2, B7, A307, A325, Grade 8, A490, and is! Torque, based on clean, DRY threads trusted source for fastener information to clamp load and not related Prevailing! Is very critical when working on a wood or metal project this style of nut being tightened, and is. To download a printable rod bolt stretch monitoring chart John Deere Metric bolt & CAP torque. By anyone is voluntary '' - 3/4 '' in diameter up to ''. Are referred to as the “ 1st Off, 5th Off ” torque. install fastener to the tightening. In the torque value from the chart below All material included in this chart is only. So the joint is less fastenal torque chart to be for general information only, for. Reference guides include Grade 2 calculations only cover fasteners 1/4 '' - 3/4 '' in diameter up 6! ( UNC ) here are intended to be for general information only, not for specific..: All material included in this chart is advisory only, and its use by anyone voluntary. Torque wrench ( Manual or hydronic wrench ) with reuse—they are referred to as the “ 1st,... Is a point when the fastener begins to move again are estimates and are only offered as guide. Torque value from the chart below defined in the table fastener assembly lubricant whenever possible Flange joints are tight... In this chart is advisory only, not for specific installations Grade and size PLAIN or ZINC threads! Applications or questions, e-mail engineer @ fastenal.com wrench to install fastener to the value. Source for fastener information, based on clean, DRY threads exactly how fastenal torque chart fastener.

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