chisel bit/rock drill bit/rock drill tool
USD $2 - $100 /Piece
Min.Order:1 Piece
Henan Zhongmei Drill Tool 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.
Drill Type | Bit diamater (D) | Taper | Whter hole | (d) mm | Part on | |
mm | in | |||||
| 30 | 1 3/16" | 7° | 2 | 22 | Y130-722 |
32 | 1 17/64" | 7° | 2 | 22 | Y132-722 | |
34 | 1 11/32" | 7° | 2 | 22 | Y134-722 | |
36 | 1 27/64" | 7° | 2 | 22 | Y136-722 | |
38 | 1 1/2" | 7° | 2 | 22 | Y138-722 | |
40 | 1 37/64" | 7° | 2 | 22 | Y140-722 | |
42 | 1 21/32" | 7° | 2 | 22 | Y142-722 | |
43 | 1 11/16" | 7° | 2 | 22 | Y143-722 | |
44 | 1 47/64" | 7° | 2 | 22 | Y144-722 | |
46 | 1 13/16" | 7° | 2 | 22 | Y146-722 |