Our tapered button drill bit size from 32mm-42mm, tapered 4, 5, 6, 7, 11 and 12 degree, with 4, 5, 6 and 7 buttons.
The button shapes of our button bits are spherical, ballitic, conical for customers to choose.
The buttons can be hot insert to the body and welded to the body as per customers need and many kinds of good materials are available.
Specification:
1)Button shape: Spherical, Ballistic
2)Skirt: Long skirt, Short Skirt.
3)Taper degree: 4°, 6°, 7°, 11°, 12°
4)Package: In wooden case or in carton
5)Shank Hex. Size: 19mm, 22mm, 25mm
Application:
They are widely used in quarrying, mining, road building, railways, highways, water well, hydroelectric power and other basic energy & civil construction projects.
