
- 135 deg split point reduces feed pressure for easier penetration without work hardening and tip point ensures a true start and eliminates bit walking
- Constructed of M-35 5% cobalt high-speed steel for super abrasive resistance in tough metals
- Heavy-duty spiral flute design produces faster chip ejection
- Shorter cutting lips reduce torque for drilling in high tensile strength materials
Description
Specifications
15.155.155
0.18lb
4in
5.5in
8.25in
Hard Steel Stainless Steel Titanium
Irwin
POWER DRILLING & ACCESSORIES
Clockwise
27/64 in
Gold Oxide
3-15/16 in
Spiral
M35
Cobalt HSS
5-3/8 in
135 deg
Split
27/64 in
1-4/9 in
Cylinder