Taper rock drill bits we have 3 types: Chisel bits, button bits, cross bits
Rock Drill Tapered Chisel Bits is suitable for H22mm and H25mm taper rock drill rods use. It have three taper degree: 7° , 11° , 12° . It's widely used for hard rock(f=8~18) drilling use.
1) Tapered connection: 7, 11, 12
2) Alloy steel: 42CrMo
3) Carbide tips: YK20
4) Carbide size: 18*10mm, 15*10mm, 13*9.5mm
4) Chisel bit diameter: 30-80mm
5)Technology: Hot-pressing or welding
Type |
Diameter |
Tip Size |
Taper |
Weight |
Dia |
mm |
inch |
H*W |
kg |
Chisel Bit |
26 |
1 1/32 |
13*8 |
7 |
0.24 |
28 |
1 7/64 |
13*8 |
7 |
0.28 |
30 |
1 3/16 |
13.5*8 |
7 |
0.28 |
32 |
1 1/4 |
13.5*8 |
7 |
0.3 |
34 |
1 11/32 |
13.5*8 |
7 |
0.34 |
36 |
1 27/64 |
13.5*8 |
7 |
0.36 |
38 |
1 1/2 |
13.5*8 |
7 |
0.38 |
40 |
1 37/64 |
13.5*9,2 |
7 |
0.4 |
42 |
1 2/3 |
13.5*9.2 |
7 |
0.42 |
20 |
25/32 |
12*6 |
4 |
0.12 |
22 |
55/64 |
12*6 |
4 |
0.16 |
24 |
15/16 |
13*8 |
4 |
0.18 |
26 |
1 1/32 |
13*8 |
4 |
0.22 |
28 |
1 7/64 |
13*8 |
6 |
0.26 |
30 |
1 3/16 |
13.5*8 |
7 |
0.28 |
32 |
1 1/4 |
13.5*8 |
7 |
0.32 |
33 |
1 19/64 |
13.5*8 |
7 |
0.33 |
34 |
1 11/32 |
13.5*8 |
7 |
0.35 |
36 |
1 27/64 |
13.5*8 |
7 |
0.35 |
38 |
1 1/2 |
13.5*8 |
7 |
0.39 |
40 |
1 37/64 |
13.5*9.2 |
7 |
0.4 |
41 |
1 5/8 |
13.5*9.2 |
7 |
0.41 |
42 |
1 21/32 |
13.5*9.2 |
7 |
0.42 |