Introduction of drilling bit:
Our drilling bit have a very good drilling performance and long life time. Different diameters and taper degrees are available to suit different applications in mining, quarrying etc.
Drilling bit size from 90mm-450mm.
If you are interest in our machine, please inform us the drilling bit size that you like
main parameters
bit size(in) | bit size(mm) | bit type |
6 | 152.4 | 517G,537G,617G,637G |
6 1/2 | 165.1 | 517G,537G |
7 7/8 | 200.0 | 517G,527G,547G,617G,627G,637G |
8 1/2 | 215.9 | 437G,447G,517G,537G,617G,627G,637G |
9 1/2 | 241.3 | 437G,517G,537G,547G,617G |
9 5/8 | 244.5 | 437G,517G,537G,547G,617G |
9 7/8 | 250.8 | 437G,517G,537G,547G,617G |
12 1/4 | 311.1 | 437G,517G,537G,617G,627G,637G |
17 1/2 | 444.5 | 517G,537G,617G,627G,637G |