Cross Type Drill Bit
Introduction of cross bits:
The drill bit is the mine drill bit. Radial abrasion resistance is strong. Adopt high quality hard alloy and steel, can be used with all kinds of drilling and the drilling machine. According to rock condition choose different alloy nameplate. It can be used for granite and marble. It’s not sensitive for limestone whether rock has fissure or is homogeneous. All kinds of rock drill machine can try this kind of drill bit.
Specifications of cross bits:
Bit Dia | Taper | Taper Hole Dia | Tip size | Water hole | |
24 | 6° | 19 | 12*6 | 2 | 1 |
28 | 7° | 22 | 12*6 | 2 | 1 |
29 | 11° | 22 | 12*6 | 2 | 1 |
30 | 7° | 22 | 12*8 | 2 | 1 |
32 | 12° | 22 | 12*8 | 2 | 1 |
34 | 11° | 22 | 12*8 | 2 | 1 |
35 | 7° | 22 | 12*8 | 2 | 1 |
36 | 11° | 22 | 12*8 | 2 | 1 |
40 | 12° | 22 | 12*8 | 2 | 1 |
45 | 7° | 22/22.5/23/24 | 12*8 | 2 | 1 |
55 | 7° | 22/24 | 14*9/15*10 | 2 | 1 |
Notes:Non-standard also can be available as your points.
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