Torque Spec Metric Bolt Torque Chart Pdf

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Torque spec metric bolt torque chart pdf. 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. Hex head and socket head cap screws. Nom dia pitch nom size x pitch inch bolt torque table sae j429 and asme 574 metric bolt torque table iso 898.

The values shown in the chart are to be used as a mid range guideline. Sae and metric fastener torque specifications 9 torque chart metric plain and zinc plated. Bolt torque specs in foot pounds or inch pounds size thread grade 5 grade 8 grade astm a574 class tensile torque reference chart metric iso 898 inch sae j429 note.

Hex head cap screw. Always refer to vehicle manufactures recommended torque setting for the specific application. Grade 8 hex head.

Lubricating the bolts is the suggested method. Torque values for 1 4 and 5 16 sizes are in inch lb. Clamp loads estimated as 75 of proof load for specified bolts.

Astm a574 ansi b18 3. Metric grade 10 9 coarse thread bolt size pitch lubricated with anti seize in lbs nm in lbs nm 6 1 00 119 13 80 9 ft lbs nm ft lbs nm 8 1 25 25 34 17 23 10 1 50 48 65 32 43 12 1 75 84 114 56 76 14 2 00 135 183 89 121 16 2 00 210 285 140 190. Lubricate all contact areas of the bolts and washers.

Class 4 6 iso metric coarse pitch bolts screws bolt tension recommended corresponding to assembly 65 of proof load torque kn nm 0 19 0 06 0 31 0 12 0 50 0 25 to convert kn to lbf. All other torque values are in. Ft lbs nm ft lbs nm ft lbs nm 9 16.

Tightening torque tightening torque tightening torque tightening torque the torque values can only be achieved if nut or tapped hole has a proof load greater than or equal to the bolt s minimum ultimate tensile strength. Torque values listed in foot pounds. Lubricating the bolts is the suggested method.

Torque specifi cation chart. Ifi 100 does not govern lock nuts above 1. Lubed means cleaned dry bolts lubricated with standard medium viscosity machine oil.

Multiply nm by 0 737562 0 73 0 44 1 29 1 00 2 08 2 1 2 94 3 5 5 34 8 5 8 45 17 12 4 30 16 8 47 22 9 73 28 1 101 35 8. Torque tension reference guide printed in u s a. Multiply kn by 224 809 to convert nm to lbft.

Fastener mart created date. 23 section 6 appendix 12 21 01 rcr15 series rotary cutters 312 556m land pride section 6 appendix torque values chart for common bolt sizes in tpi1 n m2 ft lb3 n m ft lb n m ft lb mm x pitch4 n m ft lb n m ft lb n m ft lb 1 4 20 7 4 5 6 11 8 16 12 8 436597. In threads per inch 307a astm a307 grade a sae j429 grade 5 sae j429 grade 8 f n l g 9 fnl grade 9 clamp load lbs tightening.