The cut off piece of hex key must be square to use as a broach. Run the hex-key broach into the workpiece to produce a hexsocket pattern. A finished lefthand 1/4-20 screw with custom head made using ...

Because of its small size, high torque strength, and recessed installation, the hex socket screw is a great alternative to regular bolts. The main tool used to tighten or loosen hex socket screws is ...