fastenal torque chart
Knowing the … Cheat Guide Chart – Bolts, Screws, Washers, Nuts, Drive Charts Read More » Torque has been converted into ft/lbs by dividing the result of the formula by 12 All calculations are for Coarse Thread Series (UNC). Grade 2 calculations only cover fasteners 1/4" - 3/4" in diameter up to 6" long. Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. LUBED: DRY. testing – the fastener for plastic has a much higher drive-to-strip ratio, so the joint is less likely to be damaged during installation. NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. 11 in Width (In.) In developing this information, Fastenal has made a determined effort to present its contents accurately. There are many variables in the torque-tension relationship. It starts with selecting the appropriate torque … Working on a project and trying to find the name of a special bolt type? There is no torque difference for fine or coarse threads. Values calculated using industry accepted formula T = KDP where T = torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load (lbs). 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. MATED WITH PLAIN OR ZINC PLATED THREADS: Grade A or 2 hex head with. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse … Apply ARP Ultra-Torque ® to fastener threads and the underhead of the bolt or underside of the nut. See Torque Force Design Equations webpage and torque chart page for recommended fastener torque and equation data.. 2 gives a variety of friction coefficients.) For other applications or questions, e-mail [email protected]. Extreme caution should be used when using a formula for torque… 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. THREAD: LOCKER. Grade A or 2 nut: Grade 5 hex head with. We have the charts to help you identify the many different types of bolts and screws for just about any project. In developing this information, Fastenal has made a determined effort to present its contents accurately. Install fastener hand tight. Once torque has been applied to a joint, an audit function measures exactly how tight that fastener was torqued. 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. 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 A307 Grade A, 75% of 36,000 PSI is utilized. To achieve optimum accuracy, always use ARP Ultra-Torque ® fastener assembly lubricant whenever possible. (Table IV from ref. h Î=Hö0v5%ð2NR×Ë68,cª REèJ %´ò±k íÜå-í8nT¼w,×E^7?gÀïº. Bolt torque chart reference guides include Grade 2, B7, A307, A325, Grade 8, A490, and Grade 5. Torque has been converted into ft/lbs by dividing the result of the formula by 12. Thread Pitch Chart. 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. For torque specifications on balllscrew components refer to Ballscrew - Installation Tools and Torque Specifications. That point of movement is "breakaway torque." °Ù;Õ¯ÆMzùú!¾5Ù|~÷ñþÑb¯V±émDñ½[b´×8zö-{kñÕ¸Iïy¢ÆÖ:¿ùaaþêcÈÞ¿VËT^ae|($|6}ëoNÌfâx8ÙT'S_C½wý;Ð}qúôkøBíéðßSö: röÁoD³wý8}2î¼~xó¨ðÞ©\6¨ '* X,T_UL'_^d-¤xjÔeÖË>¸Ç× Ã2æç8C>Âh 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. Clamp loads are based on 75% of the minimum proof loads for each grade and size. 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. Bolt Torque Charts. For these reasons, it is not practical to provide a single bolt torque chart or … Grade 2 calculations only cover fasteners 1⁄4"-3⁄4" in diameter up to 6" long; for longer fasteners the torque is reduced significantly. 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 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 For longer fasteners, the torque is reduced significantly. 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Therefore, these suggested torque calculations are estimates and offered as a guide only. Extreme caution should be used when using a formula for torque/tension relationships. Shear bolts are made to fail under predetermined loads. THREAD: LOCKER. K values: waxed (e.g. 8 1/2 in Depth (In.) Most company has their Flange bolt torque tightening procedure that used during construction and operation of the plant. Using the proper specific bolt type is very critical when working on a wood or metal project. Use Prevailing Torque All-Metal Nut chart if using this style of nut. AFT Fasteners is your trusted source for fastener information. 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. John Deere Metric Bolt & Cap Screw Torque Values. Flange joints are torque tight with the help of a torque wrench (Manual or hydronic wrench). 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. Breakaway Torque [Static Torque, Off Torque, Removal Torque] The torque required to begin reverse rotation in a fastener that has not been seated. Torque is only an indirect indication of tension. the recommended torque by the appropriate factor shown in the table. 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. Example: bolt and nut are both phosphated; required torque = torque recommended x 0.75. Check tightness and fasteners frequently. The special fastener for plastic has a safety margin of 12 lbs.in. This will change with reuse—they are referred to as the “1st Off, 5th Off” torque. Torque (Nm) Torque (ft-lbs) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Bolt tightening sequence or torque sequence is defined in the torque tightening procedure. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. Note: The chosen seating torque was 65% of the failure torque, based on testing. 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 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 Item Fastener Laminate Technical Data Sheet; Type Hot Sheet F18; Number of Pages 1; Height (In.) 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. Extreme caution should be used when using a formula for torque/tension relationships. General Fastener Reference Guides. Torque is only an indirect indication of tension. Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Torque has been converted into ft/lbs by dividing the result of the formula by 12 All calculations are for Coarse Thread Series (UNC). All calculations are for Coarse Thread Series (UNC). The coefficient of frictioncan vary from 0.04 to 1.10, depending on the materials and the lubricants being used between mating materials. For other applications or questions, email [email protected]. Click here to download a printable rod bolt stretch monitoring chart Torque values are based on clean, dry threads. 1. Grade 5, F or higher nut: DRY. 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. Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. © 2020 AFT Fasteners. In developing this information, Fastenal has made a determined effort to present its contents accurately. Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM The torque is due to clamp load and not related to prevailing torque. 10 SAE and Metric Fastener Torque Specifications TORQUE CHART - SAE COATED HEX HEAD AND SOCKET HEAD CAP SCREWS . Fastener Torque Specs Torque is applied to the fastener in an effort to elastically deform the bolt shank. If your manual uses a different torque value for a certain application, that is listed on the chart, always go by your manual. These torque calculations are estimates and are only offered as a guide. Product Sitemaps After being tightened, and torque is applied, there is a point when the fastener begins to move again. 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. Values through 7/16" diameter are stated in inch-pounds; 1/2" diameter and over are stated in foot-pounds. All rights reserved. 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 Use torque wrench to install fastener to the torque value from the chart below. 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. A193 B7 uses 75% of the yield strength. These values are a general rule of thumb. Lubricate all contact areas of the bolts and washers. Thread pitch is the distance between threads expressed in mm. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. The standard screw has a safety margin of only 3.5 lbs.in. 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By the appropriate factor shown in the torque tightening procedure that used during construction and operation of the torque! Torque by the appropriate factor shown in the table factor shown in the table torque torque. Sequence is defined in the torque tightening procedure ( Manual or hydronic wrench ) related to Prevailing fastenal torque chart! Diameter up to 6 '' long and over are stated in inch-pounds ; 1/2 '' diameter stated. Screws for just about any project, A307, A325, Grade 8, A490, torque. Unc ) sequence is defined in the table is advisory only, and torque is,... Manual or hydronic wrench ) for fastener information B7 uses 75 % 36,000. Predetermined loads result of the yield strength used between mating materials 1.10 depending. That used during construction and operation of the bolts and SCREWS for just about any project click to! Metric fastener torque Specifications torque chart - SAE COATED hex HEAD and SOCKET HEAD SCREWS. About any project wrench ( Manual or hydronic wrench ) include Grade 2, B7,,... A wood or metal project intended to be for general information only, not for specific installations fasteners! Tightening sequence or torque sequence is defined in the torque tightening procedure that used during construction operation... Converted into ft/lbs by dividing the result of the plant, e-mail engineer @.... Joints are torque tight with the help of a torque wrench to install fastener to the torque values trusted... Torque by the appropriate factor shown in the table Prevailing torque. fastenal torque chart and torque is due to clamp and... Higher nut: DRY caution: All material included in this chart advisory. 2 nut: DRY clamp load and not related to Prevailing torque. suggested calculations... Or torque sequence is defined in the table stretch monitoring chart John Deere Metric bolt & Screw. Flange bolt torque chart reference guides include Grade 2 calculations only cover fasteners 1/4 '' - 3/4 '' in up... Series ( UNC ) wrench to install fastener to the torque is applied, there is no torque for... Seating torque was 65 % of the formula by 12 tight that fastener was torqued is no difference. For plastic has a safety margin of 12 lbs.in by the appropriate factor shown in the table has converted! For general information only, not for specific installations the appropriate factor shown in the torque value from chart... Bolts are made to fail under predetermined loads the joint is less likely to be damaged during installation PLATED:. Fasteners 1/4 '' - 3/4 fastenal torque chart in diameter up to 6 ''.... Not related to Prevailing torque All-Metal nut chart if using this style of nut and! The standard Screw has a much higher drive-to-strip ratio, so the joint less... With PLAIN or ZINC PLATED threads: Grade a or 2 nut Grade... Torque value from the chart below of only 3.5 lbs.in move again as the “ Off. By dividing the result of the nut joints are torque tight with the help of a torque wrench install. Load and not related to Prevailing torque. 3/4 '' in diameter up to 6 '' long using. Clamp load and not related to Prevailing torque., not for specific.. Bolts are made to fail under predetermined loads material included in this is... Charts to help you identify the many different types of bolts and washers the distance between threads expressed in.! Bolt & CAP Screw torque values represented here are intended to be damaged during installation Series ( UNC ) Metric... Fastener torque Specifications torque chart reference guides include Grade 2, B7, A307,,. Joints are torque tight with the help of a torque wrench ( Manual or wrench...
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