Tooling Drill Size Equivalent:
Tooling Material Made of:
Tooling System Of Measurement:
Trade Name:
SST+ 135 Degree 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
- Large diameter bits; low speed, high feed
- Made with premium grade cobalt HSS to drill harder materials
- Round shank
- Self centering 135 Degree split-point for reduced thrust requirements and minimized walking
- Small diameter bits; high speed, low feed
- Special bronze SST surface treatment for extreme lubricity and life