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1. Type: chisel bits
2. Size: 22mm, 23mm
3.Diameter: 20-60mm.
4. Taper: degree 6°, 7°, 11°, 12°.
The featured about chisel bit:
With carbide buttons hot pressed on bits bodies, Tapered Button Bits have a very good drilling performance and long life time. We can supply long skirt and short skirt Tapered Button Bits.
The chisel drill bit is made from grade hard alloy and special steel, and generally matched with the light-duty rock drill, to drill the rock hole within diameter of 50mm.
It is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
7,11,12 degree taper chisel drill bits from china manufacturer