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Specifications

Leading manufacturer of varies kinds of T.C. Rock bits for different size, such as cross bit, chisel bit, drag bit, button bit,,
The cross bit 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 useed for hard rock, cross bit and button bit are mainly used for fissural rock.

It is mainly used for diging 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 diamater (D)
Taper
Whter hole
(d) mm
Part on
mm
in

Cross Type Bits
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
 
 
For more detailed specifications or catalog please feel free to contact with us.