(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){ 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. standard bolt torque spec chart, Alma Bolt Company & Prime Fasteners 1-800-526-2200. Given here is the bolt torque chart for the ASTM A307 bolts. The following points should be considered prior to installation of any fastener requiring torque. | Contact | Privacy Policy Tightening Torque Clamp Load (lbs.) Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. Advertising Bolts..... 8 Table 6.2 Tightening Torque – B.S.W. Training Online Engineering u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer . Torque has been converted into ft/lbs by dividing the result of the formula by 12. 7/16" - 20 25/64 .3906 80 60 . Always refer to the manufacturers recommended torque values if possible. Torque - FT LBS. 8.8 metric bolt torque chart conttrapacbu23’s soup . Engineering Book Store Testing of actual fastener components is recommended to determine appropriate torque values for all critical-use applications. Grade 8 Bolt Drill & Torque Chart in foot pounds . // -->, GD&T Training Geometric Dimensioning Tolerancing. document.getElementById("datetime").innerHTML = (("0"+dt.getDate()).slice(-2)) +". | Feedback | Contact | Privacy Policy, Home })(window,document,'script','//www.google-analytics.com/analytics.js','ga'); * SAE J429 grade 8 bolts do not exceed 1-1/2″ diameter. Table 5.4 Australian Standard Metric Bolts..... 7 Table 6.1 Tightening Torque – B.S.W. This is done to allow a safety buffer so that the bolt does not get too close to the proofload value. 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 Tightening Torque Clamp Load (lbs.) Tightening Torque Clamp Load (lbs.)

'); © Copyright 2000 - 2021, by Engineers Edge, LLC www.engineersedge.com All rights reserved bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. Also, most bolts will bear a wide variety of finitials or symbols which identify the manufacturer. AN Bolt Torque For oil free cadmium plated steel nuts and bolts inch. Engineering ToolBox - SketchUp Extension - Online 3D modeling! 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. 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. No special steps are taken to add further lubrication prior to assembly. Date/Time: Below is a list of the recommended tightening torques for 12.9 / 10.9 / 8.8 zinc plated finish bolts. 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. Engineering Videos | Feedback document.write(' '); Bolt Torque Chart . Use of its content by anyone is the sole responsibility of that person and they assume all risk. bolting torque table 4 - use only with 6061-t6 aluminium flanges. Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. (1) Thread lubrication. 5/16" - 24 I .272 25 20 . 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 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.) m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) Sign up for our bi-monthly email newsletter for all the latest! bolts are standard bolts made of steel with undrilled shank. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. Portland Bolt provides anchor bolts and nonstandard construction 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 … The below chart refers to usage in steel. Using the proper torque helps ensure that the wheel assembly is securely installed. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. 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 . Torque Design Menu The below estimated torque calculations are only offered as a guide. Flange Bolt Torque Sequence and Torque TableA Complete . 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. Engineering News 3/8" - 16 5/16 .3125 45 35 . Size Recommended Torque; Grade 2 Grade 5 Grade 8 18-8 S/S Bronze Brass; Coarse Fine … The numerical code shown on the head of a DIN bolt specifies the strength type. 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. Torque Lubricate all contact areas of the bolts and washers. { } Search the Engineering ToolBox - search is the most efficient way to navigate the Engineering ToolBox! Lubricating the bolts is the suggested method. Clamp loads are based on 75% of the minimum proof loads for each grade and size. Dry. Unlike the DIN 931 and DIN 912 the shank of a DIN 933 bolt goes up to the head. Apply torque to a bolt head only when a torque wrench cannot be used on the nut. Conversion Calculator. By : conttrapacbu23.soup.io. The surface treatment is chromatized yellow. Lubricated . 1 Proofload is the published number that full size headed bolts are tested to. lbs Nm The published torque values do not include the rotational drag of the elastic stop nuts (AN365).

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