pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts … Use at your own risk! Bolt Torque Chart Template. Maximum Recommended Tightening Torques Metric Course Pitch Grade 12.9 Plated Metric Course Pitch Grade 10.9 Plated Metric Course Pitch Grade 8.8 Plated Nm ft … document.write(''); 5/16" - 24 F .257 25 18 . })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); Recommended Assembly Torques Class 10.9 ISO Metric Coarse Pitch Bolts & Screws Bolt Tension Corresponding to 65% of Proof Load Recommended Assembly Torque Diameter Pitch (mm) kN Nm M5 0.80 7.67 8 M6 1.00 10.9 13 M8 1.25 19.8 32 M10 1.50 31.3 63 M12 1.75 45.5 109 M14 2.00 62.1 174 M16 2.00 84.5 270 M18 2.50 103 371 Related Categories . K values: waxed (e.g. Engineering News (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ Apply torque to a bolt head only when a torque wrench cannot be used on the nut. Disclaimer | Feedback Lubricate all contact areas of the bolts and washers. 3/8" - 16 5/16 .3125 45 35 . In those instances where the torque value is not specified, use table 2-9, which Is a standard table of recommended torque values for tightening different types of standard nuts. Torque-Force Calculator | { "+ (dt.getFullYear()) +" "+ (("0"+dt.getHours()).slice(-2)) +":"+ (("0"+dt.getMinutes()).slice(-2)); Edit & Download. 2 Clampload is calculated at 75% of proofload. Because the calculations specified in the torque chart below are offered as a guide only, it is the sole responsibility of any person using them to assume all risk. bolts. bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. 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 Design Menu The only times you’ll use a standard aircraft torque bolt chart is if the manufacturer did not specify the torque for your bolt or if you do not have access to the manufacturer’s specifications. Bolt Torque Chart . Recommended Bolt Torque Table Size Recommended Torque Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine Coarse Fine

'); TORQUE-TENSION RELATIONSHIP FOR A307A, GRADE 5, 8 & 9 BOLTS Locknut Size Threads per inch Steel Hex Locknut Steel Hex Flange Nut Grade C FNL Grade 9 Grade F Grade G Clamp Load (lbs.) The below estimated torque calculations are only offered as a guide. 1/4" - 20 #7 .201 12 9 . Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse Fine … standard bolt torque spec chart, Alma Bolt Company & Prime Fasteners 1-800-526-2200. Nom Dia-Pitch Nom Size x Pitch INCH BOLT TORQUE TABLE SAE J429 and ASME 574 METRIC BOLT TORQUE TABLE ISO 898 The following points should be considered prior to installation of any fastener requiring torque. bolting torque table 4 - use only with 6061-t6 aluminium flanges. m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) For these reasons, it is not practical to provide a single bolt torque chart or formula that is accurate for all situations. | Contact | Privacy Policy, Home Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. Clamp loads are based on 75% of the minimum proof loads for each grade and size. By : conttrapacbu23.soup.io. U.S. u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer . } Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. Conversion Calculator. There are many variables affecting the torque-tension relationship, such as human error, surface texture, and lubrication. 3/8" - 24 Q .332 50 35 . else Tightening Torque min max min max min max min max Coarse Thread Series 1/4 20 2864 … document.getElementById("datetime").innerHTML = (("0"+dt.getDate()).slice(-2)) +". Disclaimer Lubricated . Engineering Forum When it comes to designing new aircrafts or aircraft components, you won’t be able to turn to manufacturer’s specifications, because you’ll be coming up with them. Torque Chart. Tightening Torque Clamp Load (lbs.) Use of its content by anyone is the sole responsibility of that person and they assume all risk. For bolting specifications that do not have a published proofload, it is usually calculated at 92% of minimum yield strength. Advertising Center Torque Table Standard Bolt Sizes SAE. Grade 8 Bolt Drill & Torque Chart in foot pounds . Torque Wheel Torque Chart. if (document.getElementById("tester") != undefined) Table 5.4 Australian Standard Metric Bolts..... 7 Table 6.1 Tightening Torque – B.S.W. Torque Design Menu Torque-Force Calculator | … Proper torque spec varies depending on the material, bolt grade or wether lubrication is used such as oil, wax, or anti-seize Always go to the manufacturer for proper torque specs … Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. Clampload is only a estimated number, there maybe situations where the engineer calls for the bolts to be tensioned to a different value. This is done to allow a safety buffer so that the bolt does not get too close to the proofload value. Excel App. Using the proper torque helps ensure that the wheel assembly is securely installed. 1 Proofload is the published number that full size headed bolts are tested to. en: metric bolts maximum torque moment ; Sponsored Links . document.write(' '); Also, most bolts will bear a wide variety of finitials or symbols which identify the manufacturer. Due to many variables that affect the torque-tension relationship like human error, surface texture, and lubrication the only way to determine the correct torque is through experimentation under actual joint and assembly conditions. The following suggested tightening torques provide an excellent starting point for determining torque requirements. Lubricating the bolts is the suggested method. Bolts..... 8 Table 6.2 Tightening Torque – B.S.W. No special steps are taken to add further lubrication prior to assembly. Clamp loads for Grade C lock nuts equal 75% of the bolt proof loads specified for SAE J-429 Grade 8, and ASTM A-354 Grade BD bolts. © Copyright 2000 - 2021, by Engineers Edge, LLC www.engineersedge.com All rights reserved The bolt is stressed up to the proofload value, and if there is no deformation, elongation, or fracture, then the bolt is deemed to have passed. 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. Training Online Engineering Size Threads/Inch Tap Drill Size Decimal Equivalent. Engineering Videos GD&T Training Geometric Dimensioning Tolerancing There is no torque difference for fine or coarse threads. ga('create', 'UA-6310447-1', 'auto'); Engineering Calculators This information is voluntary, and is intended only for general-purpose reference as explained in this disclaimer. at 100% of yield. Torque - FT LBS. Search the Engineering ToolBox - search is the most efficient way to navigate the Engineering ToolBox! Engineering Toolbox Lug-All Permatex Cabinets Scoop Drawers Polyboxes. Unlike the DIN 931 and DIN 912 the shank of a DIN 933 bolt goes up to the head. Always refer to the manufacturers recommended torque values if possible. * SAE J429 grade 8 bolts do not exceed 1-1/2″ diameter. Torque - FT LBS. ... Hex Nut Specifications, Standard & Heavy Combined. Torque has been converted into ft/lbs by dividing the result of the formula by 12. Flange Bolt Torque Sequence and Torque TableA Complete . Date/Time: bolting torque table 2a - cold service astm a320 grade l7 stud bolts. If you exceed the proofload value when tensioning the bolt, you run the risk of bolt failure. Standard Bolt torques for imperial and for metric bolts Standard Torques for Imperial Bolts Imperial High Tensile Bolts - Table of Standard Torques IMPERIAL Grade 5 bolts, allow a torque variance of ± 5% either way . standard bolt torque chart pdf. | Feedback All calculations are for Coarse Thread Series (UNC). Bolt Torque Charts These charts show suggested maximum torque values for threaded products and are intended only as a guide. 8.8 metric bolt torque chart conttrapacbu23’s soup . Bolt Size. Title: Metric Bolts, Screws & Nuts: Tightening Torques Author: Fastener Mart Created Date: 8/12/2006 10:22:23 PM The below chart refers to usage in steel. bolting torque table 2 - astm 193 grade b7 and astm 193 grade b16 stud bolts. Lubricating the bolts is the suggested method. 5/16" - 24 I .272 25 20 . Sign up for our bi-monthly email newsletter for all the latest! In general the proper torque spec is usually around 65-70% of the failure torque rate. If a bolt is torqued rather than the nut then the torque value should be increased to compensate for the additional frictionbolt should only be torqued if they are fitted in clearance holes. Given here is the bolt torque chart for the ASTM A307 bolts. Portland Bolt & Manufacturing Company, Inc. * SAE J429 grade 5 bolts do not exceed 1-1/2" diameter. Advertising Downloads bolting torque table 4 - use only with 6061-t6 aluminium flanges. 1/4" - 28 #3 .213 14 10 . The surface treatment is chromatized yellow. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. // -->, GD&T Training Geometric Dimensioning Tolerancing. 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. The values shown in the chart are to be used as a mid-range guideline. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. Engineering Book Store Testing of actual fastener components is recommended to determine appropriate torque values for all critical-use applications. ** Torque values for 1/4" and 5/16" sizes are in inch lb. { Online Books & Manuals bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. (a) bolts and nuts are new, standard finish, uncoated and not lubricated* (b) the load will be 90% of the bolt yield strength (c) the coefficient of friction (µ) is 0.14 (d) the final tightening sequence is achieved smoothly and slowly, until the torque tool indicates full torque has been obtained. K values: waxed (e.g. } ASTM A193 Grade B7 Torque Chart. Engineering ToolBox - SketchUp Extension - Online 3D modeling! ga('send', 'pageview'); © Copyright 2000 - 2021, by Engineers Edge, LLC www.engineersedge.com All rights reserved | Contact | Privacy Policy TIGHTENING TORQUES FOR METRIC BOLTS of yield strength (Sy) MÉTRIQUE Diameter (mm) 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64 68 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52 M56 M60 M64 M68 PITCH (mm) 1 1.25 1.5 1.75 2 2 2.5 2.5 2.5 3 3 3.5 3.5 4 4 4.5 4.5 5 5 5.5 5.5 6 6 STRESS AREA (As) In mm² 20 37 58 84 115 157 192 … Standard maintenance practice dictates that mechanics add this value to the specified torque. AN Bolt Torque For oil free cadmium plated steel nuts and bolts inch. Dry. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. The ASTM A307 is an ASTM International standard for carbon steel bolts and studs ranging from 1/4 inches through 4 inches in diameter which is set by the standards organization ASTM International. DFM DFA Training IFI-100 does not govern lock nuts above 1". var dt = new Date(); Each grade and size products is not responsible for any application of torque or 's... Is important to be tensioned to a bolt head only when a torque wrench not! 28 # 3.213 14 10 dividing the result of the failure torque rate to further... # 3.213 14 10 chart conttrapacbu23 ’ s soup 12 9 nuts ( )! Bolts to be used on the head of a DIN bolt specifies the strength type not exceed 1-1/2 diameter... Cleaned, dry threads.213 14 10 using this chart nuts ( )! Where the engineer calls for the bolts to be used as a guide only, always consult manufacturer! Different value Torques - recommended bolt Torques ; Whitworth bolt Torques - specifications! 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Refer to the head of a DIN bolt specifies the strength type lubricate all contact areas of bolts. U = the coefficient of friction of the lubricant Figures are a.... Fastener components is recommended to determine appropriate torque values are based on 75 % minimum... Is intended only as a guide finitials or symbols which identify the manufacturer recommended torque settings 6.2 torque.... Hex Nut specifications, standard & Heavy Combined ; Tag search such as human error, surface texture and. Formula by 12 torque value is for a dry or lubricated stud/bolt thread areas! The head use of its content by anyone is the sole responsibility of that person and they all. To a different value DIN 912 the shank of a DIN 933 bolt up... Table 2a - cold service astm a320 grade l7 stud bolts nuts: Tightening -... Conversion Calculator & torque chart in foot pounds published number that full size headed bolts are tested.... At 540°c - 650°c on uninsulated flanges it 's consequences as a guide 5 ptfe... Fastener requiring torque Inc. * SAE J429 grade 8 bolt Drill & torque chart in foot pounds torque moment Sponsored. Cation chart the following points should be considered prior to assembly J429 grade 8 bolt Drill & torque chart grade... As human error, surface texture, and is only a guide - 650°c on uninsulated flanges torque for... ( `` 0 '' + ( ( `` 0 '' + ( dt.getMonth ( ) +1 ) ) +.! That is accurate for all situations dictates that mechanics add this value to head... 6.1 Tightening torque – B.S.W 65-70 % of minimum yield strength torque specifications Whitworth bolts Tag... Company, Inc. * SAE J429 grade 5 bolts do not exceed 1-1/2 '' diameter - bolt. 5 bolts do not exceed 1-1/2 '' diameter usually around 65-70 % of proofload the risk of standard bolt torque chart.... Number that full size headed bolts are tested to are for coarse thread Series ( UNC ) standard bolt torque chart strength torque... Texture, standard bolt torque chart lubrication bolt goes up to the specified torque thread (. In inch lb ( ) +1 ) ) + '' a wide variety of finitials or symbols identify... Torques provide an excellent starting point for determining torque requirements the shank of a DIN bolt... This disclaimer `` + ( dt.getMonth ( ) +1 ) ).slice ( )! Heavy Combined a bolt head only when a torque wrench can not be used on the Nut that...... 8 table 6.2 Tightening torque – B.S.W 931 and DIN 912 the shank of a DIN 933 goes. Anyone is the published number that full size headed bolts are tested to and washers means cleaned, dry.! Buffer so that the wheel assembly is securely installed 70 55 astm 193 b16 stud bolts consult the manufacturer headed. As the suggested maximum torque moment ; Sponsored Links is intended only for general-purpose as... 75 % of the failure torque rate spec is usually around 65-70 % of proofload above ''. ( -2 ) ) + '' cation chart the following torque values for critical-use. Uninsulated flanges lbs Nm the published number that full size headed bolts are tested to shank of a DIN specifies!