Torque Spec Metric Bolt Torque Chart Pdf
Lubricating the bolts is the suggested method.
Torque spec metric bolt torque chart pdf. Lubed means cleaned dry bolts lubricated with standard medium viscosity machine oil. Lubricating the bolts is the suggested method. Torque values for 1 4 and 5 16 sizes are in inch lb.
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. 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. Torque speciļ¬ cation chart.
Clamp loads estimated as 75 of proof load for specified bolts. Always refer to vehicle manufactures recommended torque setting for the specific application. 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.
Torque tension reference guide printed in u s a. Torque values listed in foot pounds. 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.
Nom dia pitch nom size x pitch inch bolt torque table sae j429 and asme 574 metric bolt torque table iso 898. Ft lbs nm ft lbs nm ft lbs nm 9 16. Astm a574 ansi b18 3.
Lubricate all contact areas of the bolts and washers. Supply part number. 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. 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. Hex head and socket head cap screws.
Fastener mart created date. Multiply kn by 224 809 to convert nm to lbft. Grade 8 hex head.
Hex head cap screw. 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. 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.
These charts are provided as a reference only. Metric bolts screws nuts. All other torque values are in.