clear the chips and relubricate the hole and tap. Repeat this process until the hole is threaded all the way through.
After threading the holes, chamfer the jaws' edges with a hand plane and apply a coat of oil. To assemble the hand-scrcw, hold the jaw faces together, insert the front screw through the upper jaw hole and thread it through the lower jaw hole until its handle bottoms out. Thread the rear screw through the lower jaw until the nipple sits in the hole in the upper jaw. Adjust your clamp by grasping the rear screw handle in your left hand and the front screw handle in your right hand. Crank your right hand in a clockwise motion to open the jaws; reverse the motion to close them. A
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