The Drill Bits are made from grade hard alloy and special steel, generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm. The drill tools are used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
Process:Forging,Heat treatment ,Inlay carbide
Material: 42CrMo,23Crni3mo etc.
Connection method:Tapered or Thread
We can produce long skirt and short skirt.
They are widely used in the mining projects
Product Photos: