Hot Sale 32mm-38mm taper button bits and rock drilling tools

Tapered drill bits/cone drill bits, diameter range is 30mm to 42mm

Details:
Min. Order Quantity: 10 Pieces
Supply Ability: 60000Pieces
Button shape: Spherical, Ballistic
Skirt: Long skirt, Short Skirt.
Taper degree: 4°, 6°, 7°, 11°, 12°
Package: In wooden case or in caton
Shank Hex. Size: 19mm, 22mm, 25mm
At now, we are exporting the huge quantity of 30mm-42mm for South Africa Platinum mine, Nepal and Chile quarry.

Made with high quality of raw material through special heat treatment, widely applied in Hand Hole(short-hole) drilling system for dimensional stone quarrying.
Hot Sale 32mm-38mm taper button bits and rock drilling tools