- Special Axial and Radial flute design speed work piece penetration
- Use for all thin metals, rigid plastics, wood or composite materials with a thickness equal to or less than the step thickness
- 135° split point self centers and easily starts with no pilot hole required
- 3 flatted shank
- Sold individually
#1, 1/8-1/2", #8, 3/16-7/8"