材质
diamond&tungsten carbid
Product name
PDC non core drill bits for hard rock
Usage
coal miniing, rock drilling, water well, etc.
Diameter
56mm,60mm,75mm,78mm,85mm,94mm,113mm,130mm
color
Golden, silver, blue grey, black, etc.
Material
Diamond & sintered carbide
Drilling type
PDC diamond drill bit
Rock formation
super hard, medium hard, soft formation