Product Advantages
Diamond composite anchor drill bit product types and applicable range
| Product Name | level | Diamond composite sheet type | Adapt to rock formation | Drill diameter | Commonly used thread | Remark |
| PDC three-wing anchor drill bit | Half piece | F≤16 | 27,28,30,32 | M14×1.5 M16×2 M14×2 M12×2 | Our factory uses two types of diamond composite sheets: flat sheets and spherical sheets. Flat sheets have fast penetration and are used in complete formations. Spherical sheets have strong impact resistance and are not easy to break, so they are suitable for broken and complex formations | |
| Full Movie | F≤16 | 36,42 |
Diamond composite anchor drill bit selection reference table
| rock | Hardness category | soft | Medium soft | medium | Medium Hard | hard | hard | The hardest | |||||
| Drillability level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
| Pujol hardness | F≤10 | 10≤15 | 15≤20 | ||||||||||
| Representative rocks | Sandstone, limestone, marble, dolomite, pyrite, loose granite, shale | Granite, solid sandstone, conglomerate, limestone, quartz veins | Solid granite, quartzite, basalt, igneous rock | ||||||||||
| Two-wing PDC anchor drill bit | Common | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ||||||
| Enhanced | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | |||||
| High strength | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ♦ | ||
