
- Chrome vanadium shaft through-hardened to 50-53HrC
- Copper braze material gives high heat resistance for reduced tip loss
- Fits all hammer drills with 3-jaw or Jacobs chuck
- Hot isostatically pressed to extend life and resist breakage
- Patented flute geometry removes dust from the hole quicker for fast drilling and long life
- Shot-peened, double-tempered finish reduces breakage
Description
Specifications
15.155.155
0.06lb
6.69in
1.88in
0.38in
Masonry
Irwin
POWER DRILLING & ACCESSORIES
Right Hand
Carbide
5/16 in
Double Tempered
2-1/2 in
Twist
Chrome Vanadium Steel
2
4-3/4 in
Diamond
No
5/16 in
2-1/4 in
Straight
Percussion