- Constructed of M-42 5 percent cobalt high speed steel for super abrasive resistance in tough metals
- Heavy duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
- 135-degree split point reduces feed pressure for easier penetration without work hardening
Includes:
21-piece set in metal index case includes drill bit sizes 1/16 in through 3/8 in in 1/64 in increments