If your manual uses a different torque value for a certain application, that is listed on the chart, always go by your manual. For other applications or questions, e-mail engineer@fastenal.com. Bolt tightening sequence or torque sequence is defined in the torque tightening procedure. General Fastener Reference Guides. 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. To achieve optimum accuracy, always use ARP Ultra-Torque ® fastener assembly lubricant whenever possible. We have the charts to help you identify the many different types of bolts and screws for just about any project. 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. Working on a project and trying to find the name of a special bolt type? 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 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 Extreme caution should be used when using a formula for torque/tension relationships. SAE ( inch ) Fastener Torque Specifications SAE ( inch ) Fastener Torque Specs Torque is applied to the fastener in an effort to elastically deform the bolt shank. Torque is only an indirect indication of tension. MATED WITH PLAIN OR ZINC PLATED THREADS: Grade A or 2 hex head with. John Deere Metric Bolt & Cap Screw Torque Values. NOTE 1: The torque values represented here are intended to be for general information only, not for specific installations. Torque has been converted into ft/lbs by dividing the result of the formula by 12 All calculations are for Coarse Thread Series (UNC). These torque calculations are estimates and are only offered as a guide. It starts with selecting the appropriate torque … Product Sitemaps Example: bolt and nut are both phosphated; required torque = torque recommended x 0.75. 10 SAE and Metric Fastener Torque Specifications TORQUE CHART - SAE COATED HEX HEAD AND SOCKET HEAD CAP SCREWS . (Table IV from ref. Use Prevailing Torque All-Metal Nut chart if using this style of nut. Torque has been converted into ft/lbs by dividing the result of the formula by 12. 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. 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. This fastener bolt torque calculator will Estimate the unknown torque, diameter, axial force applied and coefficient of turning friction for the given conditions. AFT Fasteners is your trusted source for fastener information. For other applications or questions, email engineer@fastenal.com. Most company has their Flange bolt torque tightening procedure that used during construction and operation of the plant. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. Thread Pitch Chart. Therefore, these suggested torque calculations are estimates and offered as a guide only. Flange joints are torque tight with the help of a torque wrench (Manual or hydronic wrench). 8 1/2 in Depth (In.) Grade 5, F or higher nut: DRY. Values through 7/16" diameter are stated in inch-pounds; 1/2" diameter and over are stated in foot-pounds. The torque is due to clamp load and not related to prevailing torque. Check tightness and fasteners frequently. 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. See Torque Force Design Equations webpage and torque chart page for recommended fastener torque and equation data.. K values: waxed (e.g. These values are a general rule of thumb. Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. the recommended torque by the appropriate factor shown in the table. All calculations are for Coarse Thread Series (UNC). Grade A or 2 nut: Grade 5 hex head with. 1. 2 gives a variety of friction coefficients.) Using the proper specific bolt type is very critical when working on a wood or metal project. Click here to download a printable rod bolt stretch monitoring chart 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. Values calculated using industry accepted formula T = KDP where T = torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load (lbs). LUBED: DRY. This will change with reuse—they are referred to as the “1st Off, 5th Off” torque. 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. Once torque has been applied to a joint, an audit function measures exactly how tight that fastener was torqued. Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. 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. The coefficient of frictioncan vary from 0.04 to 1.10, depending on the materials and the lubricants being used between mating materials. 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. For torque specifications on balllscrew components refer to Ballscrew - Installation Tools and Torque Specifications. Install fastener hand tight. The special fastener for plastic has a safety margin of 12 lbs.in. 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 11 in Width (In.) For longer fasteners, the torque is reduced significantly. A193 B7 uses 75% of the yield strength. Shear bolts are made to fail under predetermined loads. 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 THREAD: LOCKER. h Î=”Hö”0v5%ð2NR×Ë6˜”˜8,cª REèJ …%´ò±k íÜå-í8nT¼wˆ,×E^7?—gÀïº. 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. 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. Grade 2 calculations only cover fasteners 1/4" - 3/4" in diameter up to 6" long. Grade 2 calculations only cover fasteners 1 ⁄ 4 “- 3 ⁄ 4 ” in diameter up to 6″ long; for longer fasteners the torque is reduced significantly. In developing this information, Fastenal has made a determined effort to present its contents accurately. Torque is only an indirect indication of tension. Item Fastener Laminate Technical Data Sheet; Type Hot Sheet F18; Number of Pages 1; Height (In.) 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. Torque (Nm) Torque (ft-lbs) Caution: All material included in this chart is advisory only, and its use by anyone is voluntary. Torque values are based on clean, dry threads. For A307 Grade A, 75% of 36,000 PSI is utilized. Clamp loads are based on 75% of the minimum proof loads for each grade and size. 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. That point of movement is "breakaway torque." 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 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. Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse … Bolt Torque Charts. THREAD: LOCKER. 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