RED'S IRONWORKER REFERENCE CARD
Bolt strength and tension

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Tensile strength, shear, minimum bolt tension, suggested bolt torque*...

Ever wonder what a 7/8 inch bolt is good for? What is the shear strength of a 1 1/8 inch bolt? Calibrate torque wrenches, pre installation verification, minimum required bolt tension for structural bolts 1/2 inch through 1 1/2 inch.

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*NOTE:Torque tables do not apply to hot dipped galvanized nuts and bolts.

These torque values may give varying results due to condition and lubrication

of nuts and bolts. Exact tension must be assured with skidmore or other

tension calibrator.