Tooling Drill Size Equivalent:
Tooling System Of Measurement:
Trade Name:
SST+ 135° Jobbers, Fractional
Manufactured By:
Walter Surface
- Back tapered body
- Cobalt drills can drill approximately 30% faster than HSS drills
- High flow flute design for rapid chip evacuation
- Made with premium grade cobalt HSS to drill harder materials
- Round shank
- Self centering 135° split-point for reduced thrust requirements and minimized walking
- Special bronze SST surface treatment for extreme lubricity and life
SST+ 135? Fractional jobber drill