Engineering Book Store 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. Torque - FT LBS. Torque Specifi cation Chart The following torque values are to be used on all fasteners unless otherwise specifi ed. 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. bolting torque table 3 - use only with a193 b8, cl1 bolts at 540°c - 650°c on uninsulated flanges. Grade 2 calculations only cover fasteners. } bolts. 3/8" - 16 5/16 .3125 45 35 . Use at your own risk! US Bolts - Tightening Torques - Recommended bolt torques; Whitworth Bolt Torques - Torque specifications Whitworth bolts; Tag Search . Unlike the DIN 931 and DIN 912 the shank of a DIN 933 bolt goes up to the head. 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.) 2 Clampload is calculated at 75% of proofload. (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o), Clamp loads are based on 75% of the minimum proof loads for each grade and size. (1) Thread lubrication. Torque Chart for ASTM A193 Grade B7 Studs in Ft./Lbs. Excel App. lbs Nm inch. Tightening Torque Clamp Load (lbs.) ... Hex Nut Specifications, Standard & Heavy Combined. fasteners, Anchor Bolt and Construction Fastener Manufacturer. en: metric bolts maximum torque moment ; Sponsored Links . No special steps are taken to add further lubrication prior to assembly. bolting torque table 5 - ptfe coated astm a193 b7 and astm 193 b16 stud bolts. Using the proper torque helps ensure that the wheel assembly is securely installed. The below chart refers to usage in steel. Advertising Center standard bolt torque chart pdf. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts (as received) = .20. Values calculated using industry accepted formula T = KDP where T = Torque, K = torque coefficient (dimensionless), D = nominal diameter (inches), P = bolt clamp load, lb. DFM DFA Training 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 below estimated torque calculations are only offered as a guide. Engineering ToolBox - SketchUp Extension - Online 3D modeling! Standard maintenance practice dictates that mechanics add this value to the specified torque. Wheel Torque Chart. The bolting standard will define whether the torque value is for a dry or lubricated stud/bolt thread. 5/16" - 24 I .272 25 20 . Flange Bolt Torque Sequence and Torque TableA Complete . | Contact | Privacy Policy Grade 8 Bolt Drill & Torque Chart in foot pounds . Always refer to the manufacturers recommended torque values if possible. u = The coefficient of friction of the lubricant Figures are a GUIDE only, always consult the manufacturer or area engineer . Online Books & Manuals In general the proper torque spec is usually around 65-70% of the failure torque rate.

'); CDI Torque Products is not responsible for any application of torque or it's consequences as a result of using this chart. The following suggested tightening torques provide an excellent starting point for determining torque requirements. Conversion Calculator. Torque Table Standard Bolt Sizes SAE. The following points should be considered prior to installation of any fastener requiring torque. Bolt Size. This is done to allow a safety buffer so that the bolt does not get too close to the proofload value. Lug-All Permatex Cabinets Scoop Drawers Polyboxes. Torque - FT LBS. Lubricating the bolts is the suggested method. If you are planning on installing a wheel on your vehicle, it is important to be aware of the manufacturer recommended torque settings. 7/16" - 14 U .36 8 70 55 . 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 … document.getElementById("datetime").innerHTML = (("0"+dt.getDate()).slice(-2)) +". Clampload is only a estimated number, there maybe situations where the engineer calls for the bolts to be tensioned to a different value. var dt = new Date(); Engineering Videos Bolt Torque Charts These charts show suggested maximum torque values for threaded products and are intended only as a guide. This table is offered as the suggested maximum torque values for threaded products and is only a guide. 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 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 . | Feedback bolting torque table 4 - use only with 6061-t6 aluminium flanges. All calculations are for Coarse Thread Series (UNC). 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 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 Chart. Remember, you may need to vary these numbers somewhat based on the individual joint or the amount of fastener lubrication. bolts are standard bolts made of steel with undrilled shank. // -->, GD&T Training Geometric Dimensioning Tolerancing. Torque Reference Chart. K values: waxed (e.g. bolting torque table 2a - cold service astm a320 grade l7 stud bolts. There is no torque difference for fine or coarse threads. Use of its content by anyone is the sole responsibility of that person and they assume all risk. Torque has been converted into ft/lbs by dividing the result of the formula by 12. pressure wax as supplied on high strength nuts) = .10, hot dip galvanized = .25, and plain non-plated bolts … Lubed means cleaned, dry bolts, lubricated with standard medium viscosity machine oil. 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 … Bolt Torque Chart . Portland Bolt provides anchor bolts and nonstandard construction Table 5.4 Australian Standard Metric Bolts..... 7 Table 6.1 Tightening Torque – B.S.W. 1 Proofload is the published number that full size headed bolts are tested to. 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. 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