Walter 01A521 SST+ Jobber 135° Point Cobalt Drill Bit, 21/64"

Walter 01A521 SST+ Jobber 135° Point Cobalt Drill Bit, 21/64"

Walter SST+ drill bits are made with a cobalt blend to drill even more holes faster on any type of material.

Product Features

• Made with premium grade cobalt HSS to drill harder materials
• Cobalt drills can drill approximately 30% faster than HSS drills
• Self centering 135° split-point for reduced thrust requirements and minimized walking
• Special bronze SST surface treatment for extreme lubricity and life
• High flow flute design for rapid chip evacuation
• Round shank
• Back tapered body

Applications

• Drilling holes in high strength materials
• Heavy-duty drilling
• Drilling with fixed spindle machines like CNC mills and drill presses