Although there are hundreds of different types of fasteners, most of them have the same basic design: a spiral groove inside a hole matches the threads on the outside diameter of a screw or bolt. IRWIN Hanson taps and dies are the tools used by professionals to create threads and solve the most challenging fastener applications. This set contains the top 5 machine screw and fractional sizes.
Set includes the most common machine screw and fractional plug taps and 5/8-in hex dies plus the necessary drive tools
Set covers sizes 6-32, 8-32, 10-24, 10-32 and 1/-in-20
High carbon steel for hand threading
Contains both machine screw thread size and fractional size dies