Tungsten Carbide Cutting Tools Cross Drill Bits For Mining Parts can be used under any rock drilling condition, it's hardly impacted by the model of drill rig and the rock performance. Generally, chisel bit is mainly used for hard rock, cross bit and button bit are mainly used for fissure rock.
Tungsten Carbide Cutting Tools Cross Drill Bits For Mining Parts s mainly used for dinging into mine laneway and blasting holes in all drilling works matched with the taper drill rod. For different rock, we choose the different alloy to extend the working life of the drill bits.
|
Drill Type |
Bit diameter (D) |
Taper |
Whter hole |
(d) mm |
Part on |
|
|
mm |
in |
|||||
|
|
32 |
1 17/64" |
7° |
3 |
22 |
S132-722 |
|
34 |
1 11/32" |
7° |
3 |
22 |
S134-722 |
|
|
36 |
1 27/64" |
7° |
3 |
22 |
S136-722 |
|
|
38 |
1 1/2 " |
7° |
3 |
22 |
S138-722 |
|
|
40 |
1 37/64" |
7° |
3 |
22 |
S140-722 |
|
|
42 |
1 21/32" |
7° |
3 |
22 |
S142-722 |
|
|
43 |
1 11/16" |
7° |
3 |
22 |
S143-722 |
|
|
45 |
1 49/64" |
7° |
3 |
22 |
S145-722 |
|
|
50 |
1 31/32" |
7° |
3 |
22 |
S150-722 |
|
|
55 |
2 9/50" |
7° |
3 |
22 |
S155-722 |
|
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