RECOMMENDED ASSEMBLY TORQUES - Steelmasters

1 Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESC lass ISO Metric Coarse Pitch Bolts & ScrewsBolt TensionRecommendedCorresponding toAssembly 65% of Proof convert kN to lbf: Multiply kN by convert Nm to lbft: Multiply Nm by Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESC lass ISO Metric Coarse Pitch Bolts & ScrewsBolt TensionRecommendedCorresponding toAssembly 65% of Proof convert kN to lbf: Multiply kN by convert Nm to lbft: Multiply Nm by Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESC lass ISO Metric Coarse Pitch Bolts & ScrewsBolt TensionRecommendedCorresponding toAssembly 65% of Proof convert kN to lbf: Multiply kN by convert Nm to lbft.

2 Multiply Nm by ISO Metric Coarse Pitch Bolts & ScrewsBolt TensionRecommendedCorresponding toAssembly 65% of Proof 3 DiameterTPI1/4285/16243/8247/16201/2209/ 16185/8183/4167 Grades 5 & 8 Bolts & Screws - 1" SAE1" SAETPIG rade 514 Grade 814 Surface Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESSAE Grade 5 Bolts & Screws - UNF ThreadBolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft20108318017484030656048 8840741124010514170148206002582810041036 60061041100771516001075632001448To convert lbf to kN: Multiply kN by convert lbft to Nm: Multiply lbft by Grade 8 Bolts & Screws - UNF ThreadBolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft28201245102368204392306 7124801041586014919950208291203643970057 9517008626670012518370017441025002349123 3003083 Bolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft3750062553000883 Page 4 SAE Grade 5 Bolts & Screws - UNC ThreadDiameterTPI1/4205/16183/8167/16141 /2139/16125/8113/4107 Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESBolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft17607289015429027588043 To convert lbf to kN: Multiply kN by convert lbft to Nm.

3 Multiply lbft by 5 DiameterTPI1/4205/16183/8167/16141/2139/ 16125/8113/4107 Condition torque Adjustment FactorsPlain Steel, as suppliedX Steel, degreasedX Plated, as suppliedX Plated, lightly oiledX , degreasedX , lightly oiledX greasedX ASSEMBLY TORQUESSAE Grade 8 Bolts & Screws - UNC ThreadBolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft24701040902160403883206 1110509214170133176101832606032636000525 47200787595001116755001573900002063To convert lbf to kN: Multiply kN by convert lbft to Nm: Multiply lbft by Mild Steel Bolts & ScrewsBolt TensionRecommendedCorresponding toAssembly 65% of Proof LoadTorquelbflbft73631208617861124511831 7626520654770596106411551394323217566329 2247346832334808 Page 6