TCO443-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

Specifications

• No. of Pieces: 3
• Material: High Speed Steel