- Constructed of M-35 High Speed Steel
- Contains five percent cobalt steel for super abrasive resistance in tough metals
- Heavy-duty web construction for strength and durability
- Heavy-duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
The IRWIN® line of metal drill bits offers of a solution for every professional application. Each metal drill bit is made of high speed steel with high precision-cut point and spiral, ensuring durability and quality.