Industrial Subtype:
Screw Machine Length Drill Bits
Tooling Drill Size Equivalent:
Tooling System Of Measurement:
Manufactured By:
Drillco Cutting Tools
- Black oxide surface treatment for improved life
- Made in USA
- Made with premium grade HSS to last longer
- Round shank
- Self centering 135° split-point for reduced thrust requirements and minimized walking
- Shorter screw machine length adds rigidity to the drill bit to reduce breakage
High Speed Steel Black Oxide Fractional Screw Machine Length Drills