Product Overview
Specifications:
- Cobalt Pro Grade Drill Bit 5/16 inch by 4-1/2 inch length
- Century 135 degree quick cut points; no center punch needed.
- Will not “wander” at the starting surface
- Extremely heat resistant
- Must be used in power units with RPM of 1,500 or more for best results
- Made in U.S.A.
- Use cutting oil when drilling metal; see item 132280
