SUPERDRILL The taper Chisel Bits are made from grade hard alloy and special carbide, and generally matched with the light-duty rock drill, to drilling the rock hole within diameter of 50mm. It is used widely used for mining, tunneling and quarrying.
Bit diameter
Carbide size
Taper degree
weight
28mm
10*7
7°11°12°
0.18kg
30mm
13.5*8
7°11°12°
0.22kg
32mm
13.5*8
7°11°12°
0.24kg
34mm
13.5*8
7°11°12°
0.27kg
36mm
13.5*8
7°11°12°
0.30kg
38mm
13.5*8
7°11°12°
0.33kg
40mm
15*9.8
7°11°12°
0.38kg
42mm
13.5*9.2
7°11°12°
0.41kg
42mm
13.5*9.8
7°11°12°
0.41kg