Tooling Drill Size Equivalent:
Tooling System Of Measurement:
Manufactured By:
Drillco Cutting Tools
- Bronze surface treatment for high lubricity
- Cobalt drills can drill approximately 30% faster than HSS drills
- Jobber length for most use cases
- Made in USA
- Made with premium grade cobalt HSS to drill harder materials
- Nas Type J specifications
- Self centering 135° split-point for reduced thrust requirements and minimized walking
Cobalt Bronze Fractional Jobber Drill