CIR76 90 100 110 120 130 140 150 160 low air pressure DTH mining hammer drill bits button core drill bit for hard rock, well
Technical Details
Advantage: | High-efficiency / Long work life |
Application: | Tunnels, coal-mining, oil-field |
Brand Name: | sanyinghe |
Coating: | Other |
Degree: | R0.15 |
diameter: | other |
Material: | Other |
Model Number: | various different size |
Overall Length: | various |
Type: | Drill bit |
Use: | Coal mining |
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