Product Description
Specifications
Hard alloy bit
1. ISO9001
2. technical superiority
3. fast delivery
4. good after-sale
Hard alloy bit
About Us
We are a professional manufacturer specialized in series of drill tools: PDC, PDC drill bits, diamond drill bits, etc. We can also produce other products according to the customers requirements. We sincerely welcome our friend both home and abroad to come for business talks.
About Products
Coal bits are mainly used in coal and mine drilling, have dry-type & wet-type.
Dimension: 25, 27, 28, 29, 30, 32, 36, 42 mm.
Normal Thread Model: M16*2; M14*1.5, M12*1.75; M14*1.5; M12*1.75
Specifications of Hard alloy bit
Colliery Drill Tools
Main Standard(mm)
D
H
L
M
Thread joint
27
44
17
M14×1.5
27
54
17
M12×1.75
28
54
20
M12×1.75
29
52
18
M14×1.5
30
50
18
M14×1.5
32
52
22
M14×1.5
32
56
22
M12×1.75
Product Image
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