Walter 01D590 9mm SST+ 135° Jobber Cobalt Drill Bit, Plastic Tube, 10 pack

• 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

Walter SST+ drill bits are made with a cobalt blend to drill even more holes faster on any type of material. Round shank and back tapered body. Package of 10.

Application:  Drilling holes in high strength materials

Drill Size:  9.00 mm

Flute Length:  81 mm

Overall Length:  125 mm

Shank Size:  9.00 mm

Material:  Cobalt

Finish:  Bronze Oxide

Click Here for the Walter Recommended Cutting Speed for Drill Bits Sheet
Click Here for the Walter Drill Bit Spec Sheet