Product Name
Drilling 36mm 38mm mine blast tunnel taper steel button drill bits
Color
Yellow,Red,or according to your requirement
Productive Process
Forging and Heat-treatment
Connection Type
Tapered or Thread
Alloy Type
Spherical/Hemi-Spherical/Parabolic/Conical/Ballistic
Skirt Body Material
42CrMo, 45CrNiMoV, 710 steel
Skirt Type
Short Skirt or Long Skirt