Details
Multi-Step Drill Bit Set
- Special AICrN coating provides additional toughness and wear-resistance to prolong tooling life
- 2 wide, cylindrical flutes eliminate chip build-up for faster drilling and produce holes with minimum vibration or distortion
- Each shank has three flats for easy mounting
- Set includes (1) 13 step from 1/8" to 1/2", (1) 12 step from 3/16" to 7/8", and (1) 10 step from 1/4" to 1-3/8"
- Perfect for cutting or enlarging holes in sheet material
- Special bronze SST heat and surface treatment