Fastener Torque Metric Bolt Torque Chart Pdf
Clamp loads estimated as 75 of proof load for specified bolts.
Fastener torque metric bolt torque chart pdf. 9702365 as 06 14 torque poster. Fastener mart created date. Lubed means cleaned dry bolts lubricated with standard medium viscosity machine oil.
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. 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. 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.
Sae and metric fastener torque specifications iii. Metric fasteners nominal size or basic screw dia. Torque tension relationship for a307a grade 5 8 9 bolts locknut size threads per inch steel hex locknut steel hex flange nut.
Supply part number. Metric bolts screws nuts. Torque chart metric plain and zinc plated hex head and socket head cap screws.
Nm in lbs nm in lbs nm in lbs nm in lbs. Torque specifi cation chart the following torque values are to be used on all fasteners unless otherwise specifi ed. Lubricating the bolts is the suggested method.
Nom dia pitch nom size x pitch inch bolt torque table sae j429 and asme 574 metric bolt torque table iso 898. Torque tension reference guide printed in u s a. Class 8 8 hex head cap screw.
Lubricated refers to fasteners in the as received condition which is normally a light preservative oil coating on unplated fasteners. The values shown in the chart are to be used as a mid range guideline. Metric grade 10 9 coarse thread bolt size pitch lubricated with anti seize in lbs.
Ifi 100 does not govern lock nuts above 1. 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. Lubricate all contact areas of the bolts and washers.
Fastener torque charts guide for prevailing torque lock nut assembly torques cad and wax grade b c and grade g flange nuts lock nut standards from ifi 100 requirements torque tension requirements clamp loads for the grade b lock nuts equal 75 of the bolt proof loads specified for sae j 429 grade 5 and astm a 449 bolts. Threads per inch tensile stress area sq. 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. All other torque values are in.