Tap Sizes: 6-40,8-36,10-24,10-32,1/4-28,5/16-1/8,3/8-24,7/16-20,1/2-20
Drill Sizes: 33,29,25,21,3,1,Q,25/64,29/64
Full Ground threads and ANSI Standard
High Speed Steel (HSS) provides good wear-resistance and can be used in general purpose applications for both ferrous and nonferrous material
Tap: Spiral point taps are the most efficient, rigid and useful cutting taps and are recommended for through holes in most materials. Plug taps have up to 5 chamfer threads.
Drill: 135 self-centering split point on the HSS drill prevents walking when starting a hole and it's commonly used on heavy duty tools