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Tapered drill bit 4° 7° rock drilling tools
The tapered drill bit is a drill bit used in conjunction with a pneumatic rock drill and a taper rod. It is connected to the drill rod through the taper to perform drilling operations. It is mainly used for secondary crushing in mines, bolting, drifting and other fields.
Product Parameters
Tapered Drill Bit | Diameter | Tip size | Weight (kg) | Taper | For class of rock | |
mm | inch | Height×Width | ||||
Horseshoe chisel bit | 26 | 1 1/32 | 10×7 | 0.17 | 7° | 10-14 |
28 | 1 7/64 | 10×7 | 0.18 | 7° | 10-14 | |
30 | 1 3/16 | 13.5×8 | 0.22 | 7° | 8-12 | |
30 | 1 3/16 | 13.5×8 | 0.22 | 7° | 10-14 | |
32 | 1 1/4 | 13.5×8 | 0.24 | 7° | 8-12 | |
32 | 1 1/4 | 13.5×8 | 0.24 | 7° | 10-14 | |
34 | 1 11/32 | 13.5×8 | 0.27 | 7° | 8-12 | |
34 | 1 11/32 | 13.5×8 | 0.27 | 7° | 10-14 | |
36 | 1 27/64 | 13.5×8 | 0.30 | 7° | 8-12 | |
36 | 1 27/64 | 13.5×8 | 0.30 | 7° | 10-14 | |
38 | 1 1/2 | 13.5×8 | 0.33 | 7° | 8-12 | |
38 | 1 1/2 | 13.5×8 | 0.33 | 7° | 10-14 | |
38 | 1 1/2 | 15×9 | 0.33 | 7° | 8-12 | |
38 | 1 1/2 | 15×9 | 0.33 | 7° | 10-14 | |
40 | 1 37/64 | 13.5×9.2 | 0.38 | 7° | 8-12 | |
40 | 1 37/64 | 13.5×9.2 | 0.38 | 7° | 10-14 | |
40 | 1 37/64 | 13.5×9.2 | 0.38 | 7° | 14-16 | |
40 | 1 37/64 | 13.5×9.2 | 0.38 | 7° | 16-18 | |
40 | 1 37/64 | 15×9.8 | 0.38 | 7° | 8-12 | |
40 | 1 37/64 | 15×9.8 | 0.38 | 7° | 10-14 | |
40 | 1 37/64 | 15×9.8 | 0.38 | 7° | 14-16 | |
40 | 1 37/64 | 15×9.8 | 0.38 | 7° | 16-18 | |
42 | 1 21/32 | 13.5×9.2 | 0.41 | 7° | 8-12 | |
42 | 1 21/32 | 13.5×9.2 | 0.41 | 7° | 10-14 | |
42 | 1 21/32 | 13.5×9.2 | 0.41 | 7° | 14-16 | |
42 | 1 21/32 | 13.5×9.2 | 0.41 | 7° | 16-18 | |
42 | 1 21/32 | 15×9.8 | 0.41 | 7° | 8-12 | |
42 | 1 21/32 | 15×9.8 | 0.41 | 7° | 10-14 | |
42 | 1 21/32 | 15×9.8 | 0.41 | 7° | 10-14 | |
42 | 1 21/32 | 15×9.8 | 0.41 | 7° | 16-18 | |
43 | 1 11/16 | 13.5×9.2 | 0.42 | 7° | 8-12 | |
43 | 1 11/16 | 13.5×9.2 | 0.42 | 7° | 10-14 | |
43 | 1 11/16 | 15×9.8 | 0.42 | 7° | 8-12 | |
43 | 1 11/16 | 15×9.8 | 0.42 | 7° | 10-14 | |
Oblique chipways chisel bit | 20 | 25/32 | 12×6 | 0.10 | 4° | 10-14 |
22 | 55/64 | 12×6 | 0.12 | 4° | 10-14 | |
24 | 15/16 | 12×6 | 0.14 | 4° | 10-14 | |
26 | 1 1/32 | 12×6 | 0.16 | 4° | 10-14 | |
28 | 1 7/64 | 13×8 | 0.19 | 7° | 10-14 | |
30 | 1 3/16 | 13.5×8 | 0.22 | 7° | 10-14 | |
32 | 1 1/4 | 13.5×8 | 0.24 | 7° | 10-14 | |
33 | 1 19/64 | 13.5×8 | 0.25 | 7° | 10-14 | |
34 | 1 11/32 | 13.5×8 | 0.27 | 7° | 10-14 | |
36 | 1 27/64 | 13.5×8 | 0.29 | 7° | 10-14 | |
38 | 1 1/2 | 13.5×8 | 0.34 | 7° | 10-14 | |
40 | 1 37/64 | 13.5×9.2 | 0.40 | 7° | 10-14 | |
41 | 1 5/8 | 13.5×9.2 | 0.41 | 7° | 10-14 | |
42 | 1 21/32 | 13.5×9.2 | 0.43 | 7° | 10-14 | |
Flat chipways chisel bit | 38 | 1 1/2 | 16×10 | 0.36 | 7° | 10-14 |
40 | 1 37/64 | 16×10 | 0.38 | 7° | 10-14 | |
41 | 1 5/8 | 16×10 | 0.41 | 7° | 10-14 | |
42 | 1 21/32 | 16×10 | 0.43 | 7° | 10-14 | |
45 | 1 3/4 | 22×16×10 | 0.60 | 7° | 10-14 | |
46 | 1 3/4 | 22×16×10 | 0.61 | 7° | 10-14 | |
48 | 1 7/8 | 22×16×10 | 0.63 | 7° | 10-14 | |
50 | 1 31/32 | 22×16×10 | 0.65 | 7° | 10-14 | |
56 | 2 1/4 | 24×16×10 | 0.82 | 7° | 10-14 | |
60 | 2 23/64 | 26×16×10 | 0.91 | 7° | 10-14 | |
65 | 2 1/2 | 26×16×10 | 1.12 | 7° | 10-14 | |
80 | 3 1/8 | 36×16×10 | 1.40 | 7° | 10-14 | |
Oblique-flat chipways chisel bit | 36 | 1 27/64 | 15×10 | 0.40 | 7° | 10-14 |
38 | 1 1/2 | 15×10 | 0.42 | 7° | 10-14 | |
40 | 1 37/64 | 15×10 | 0.45 | 7° | 10-14 | |
41 | 1 5/8 | 15×10 | 0.47 | 7° | 10-14 | |
42 | 1 21/32 | 15×10 | 0.49 | 7° | 10-14 | |
43 | 1 11/16 | 15×10 | 0.51 | 7° | 10-14 | |
Cross-type bit | 30 | 1 3/16 | 12×12×8 | 0.29 | 7° | 11-15 |
32 | 1 1/4 | 12×12×8 | 0.31 | 7° | 11-15 | |
33 | 1 19/64 | 12×12×8 | 0.33 | 7° | 11-15 | |
34 | 1 11/32 | 12×12×8 | 0.34 | 7° | 11-15 | |
35 | 1 3/8 | 12×12×8 | 0.36 | 7° | 11-15 | |
36 | 1 27/64 | 13×12×8 | 0.37 | 7° | 11-15 | |
38 | 1 1/2 | 14×12×8 | 0.43 | 7° | 11-15 | |
40 | 1 37/64 | 15×12×8 | 0.47 | 7° | 11-15 | |
41 | 1 5/8 | 15×12×8 | 0.49 | 7° | 11-15 | |
42 | 1 21/32 | 15×12×8 | 0.51 | 7° | 11-15 | |
43 | 1 11/16 | 15×12×8 | 0.53 | 7° | 11-15 | |
45 | 1 3/4 | 17×14×8 | 0.58 | 7° | 11-15 | |
48 | 1 7/8 | 17×14×8 | 0.67 | 7° | 11-15 | |
50 | 1 31/32 | 19×14×8 | 0.72 | 7° | 11-15 | |
55 | 2 1/4 | 20×16×10 | 0.92 | 7° | 11-15 | |
60 | 2 3/8 | 22×16×10 | 1.19 | 7° | 11-15 |