coal mine rock drill bits
USD $20 - $80 /Piece
Min.Order:50 Pieces
Fuzhou Dig Sword Land Machine Co., Ltd.
The chisel bit is 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.
It is widely used in metallurgy mine, geological exploration, water conservancy construction, electricity, traffic, tunnel, quarry, national defence stone project etc.
Bit Diameter | Buttons | Taper | Water Hole | Part No. | |
mm | in | mm | |||
30 | 1 3/16" | 10*15 | 7° | 2 | DSL-301 |
32 | 1 17/64" | 10*15 | 7° | 2 | DSL-302 |
34 | 1 11/32" | 10*15 | 7° | 2 | DSL-303 |
36 | 1 27/64" | 10*15 | 7° | 2 | DSL-304 |
38 | 1 1/2" | 10*15 | 7° | 2 | DSL-305 |
40 | 1 37/64" | 10*15 | 7° | 2 | DSL-306 |
42 | 1 47/64" | 10*17 | 7° | 2 | DSL-307 |
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