Superdrill taper drill bits have chisel bits, cross bits and button bits, all with various size, smooth design and very good quality, etc. All drill bits are made of high quality raw material and through special heat treatment. We have been exporting a large quantity to over 30 countries and regions such as Australia, U.S.A, South Africa, Japan, Norway and Saudi Arabia, etc.
Description |
Diameter |
Length |
Water hole |
Taper degree a=4° 6° 7° 11° 12°
|
mm |
mm |
2 |
20 |
65 |
2 |
|
23 |
65 |
2 |
|
25 |
69 |
2 |
|
28 |
60 |
2 |
|
30 |
55 88 |
2 |
|
32 |
55 64 71 80 |
2 |
|
34 |
71 80 |
2 |
|
36 |
74 |
2 |
|
38 |
74 |
2 |
|
40 |
74 |
2 |
|
42 |
74 |
2 |
|
45 |
74 |
2 |
Button bits with hemispherical button is for high bearing capacity and abrasive resistance while conical button and parabolic button are for high drilling speed and low abrasive resistance.
Description |
Diameter |
Length |
No. of |
Taper degree a= 4° 6° 7° 11° 12° |
mm |
mm |
pcs |
28 |
50 |
4 |
|
29 |
50 |
4 5 6 7 |
|
30 |
50 80 |
5 6 7 8 |
|
32 |
50 55 71 80 |
6 7 8 9 |
|
33 |
50 55 71 80 |
6 7 9 |
|
34 |
50 55 |
7 8 |
|
35 |
55 71 80 |
4 5 6 7 |
|
36 |
50 55 |
7 |
|
37 |
55 |
4 6 7 |
|
38 |
50 55 |
4 6 7 |
|
40 |
7 |
||
41 |
50 55 71 |
4 5 |
|
42 |
50 |
6 7 |
|
45 |
50 55 71 |
6 7 8 9 |
Tapered cross bit can be used under any rock drilling condition because of it's comprehensive adaptability. Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled, which means carbides shape are cross type on drill bits.
Taper cross bit is mainly used for hard or very hard rock formation.
All Tapered bit are made with high quality of raw material through special heat treatment ,
Description |
Diameter |
Length |
Weight |
Taper degree a= 6° 7° 11° 12° Socket inside diameter d=19, 22, 25 |
mm |
mm |
kg |
28 |
71 80 |
0.19 |
|
29 |
71 80 |
0.2 |
|
30 |
50 67 71 80 |
0.3 |
|
32 |
50 67 71 80 |
0.3 |
|
33 |
71 80 |
0.32 |
|
34 |
67 71 80 |
0.34 |
|
35 |
67 71 80 |
0.35 |
|
36 |
71 80 |
0.36 |
|
38 |
67 71 80 |
0.42 |
|
40 |
71 80 |
0.43 |
|
41 |
71 |
0.45 |
|
42 |
69 80 |
0.46 |
|
44 |
80 |
0.47 |
|
45 |
80 |
0.5 |