
- 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
0.09lb
0.25in
3.5in
5in
Hard Steel Stainless Steel Titanium
Irwin
POWER DRILLING & ACCESSORIES
Clockwise
5/16 in
Gold Oxide
3-3/16 in
Spiral
M35
Cobalt HSS
4-1/2 in
135 deg
Split
5/16 in
1-1/3 in
Cylinder