The values are for slightly lubricated bolts. For dry bolts increase the torques with approximately 30%.
Bolts, nuts and threaded rods - torque, tension and loads.
Calculate required bolt torque.
Improvise a torque wrench with a luggage scale.
Recommended thightening torque metric bolts.
Metric steel bolts, screws and studs - proof and tensile strength.
Lubrication effect on bolt tension and torque.
ASTM steel bolts - proof and tensile strength.
SAE steel bolts - grades ranging grade 1 to 8.2 - proof and tensile strength.
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
Tensile strength and proof loads SAE bolts.
ANSI/ASME B18.2.1 Dimensions of Hex Bolts - Imperial units.
ANSI/ASME B18.2.3M Dimensions of Hex Bolts - Metric units.
Machine screw diameters.
Torque specifications Whitworth bolts.
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