Jan 03, 2013
A. rock drilling bits
B. taper chisel bit
C. quality is closed to Atals Copco drill bit
Xiamen Betopper Mining Machinery can manufacture the following types caaording to clients need taper:4, 6, 7,11,12 degree taper. The diameter for taper:15,19,22,25, 28, 30, 32, 34, 36, 38 to...