Individuals are familiar with fastening systems used in ironworking. They understand thread standards. They are able to identify A-325 and A-490 bolts, washers and nuts. They understand how to correctly tension bolts. They can explain the procedures for using calibrated wrench tightening and the turn-of-nut method for high-strength bolts. They can demonstrate the proper use of a tension control gun and Skidmore calibrator.

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• Time Hours