
The 280-UB Super Premium drills are a special Hi-Molybdenum tool steel that performs well in tough material such as stainless and hi-alloy steels.
Why Choose Ultra Bor (UB)?
- Substantially longer cutting life
- Stops drill walking/Fast penetration
- Improved performance at lower cost
- Gold surface treated for maximum lubricity
- Runs cooler & uses less torque
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