Tooling Drill Size Equivalent:
Tooling System Of Measurement:
Trade Name:
SST+ 135° Double-ended, Fractional and rivet sizes
Manufactured By:
Walter Surface
- Cobalt drills can drill approximately 30% faster than HSS drills
- Double ended for twice the life
- High flow flute design for rapid chip evacuation
- Made with premium grade cobalt HSS to drill harder materials
- Self centering 135° split-point for reduced thrust requirements and minimized walking
- Special bronze SST surface treatment for extreme lubricity and life
- Special cobalt HSS alloy lasts longer
- Special self-centering point for minimal burrs
For thin gauge material and sheet metal