steel; Cutting machine-- great tools used to create screw threads on wood, plastic, aluminum or many other materials.; Wire opener taps-- these taps are used with wrench to do the tapping, wrench is not included.; Threading-- there are pieces of taps in different sizes from to that you can use for tapping various threads.; Wen tools for woodworking-- they are used to cut or repair damaged threads, you will have a smooth tapping experience with them.; Die-- these taps are bearing steel for high hardness.
What's in the box
21 x Thread Screw Tap Plug Drill Set
