Steel Grip Steel Metric Tap and Die Set M3-0.5, M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.25 M3-0.5, M4-0

Taps and dies are cutting tools used to create threads on components such as screws, bolts, nuts and to create a threaded hole to screw components into. A tap is a threaded tool that cuts or forms threads in the female portion of a mating pair.