タイプ
DTH Hammer Button Bits
Color
Green,blue,golden etc
Material
Alloy steel bar and tungsten carbide bit
Series
CIR,BR,DHD,MISSION,COP,QL,SD
Button shape
Ballistic,Spherical
DTH Bit Face Shape
Flat face, Concave, Convex
Processing
CNC milling and proprietary heat treatment process