PN: 17318
Cobalt Jobber Bit
All our cobalt jobber bits are produced from industrial-grade NAS 965 cobalt steel, 135 degree split points penetrate on contact and prevent "walking". Superior hardness for hight temperature applications and are designed for drilling hard, tough, high-strength materials. Significantly longer life than regular high-speed steel bits.
- Size: #18
- Decimal: 0.1695
