content
Basic information
| Product name | NQ impregnated diamond exploration coring drill bit |
| Material | Diamond and tungsten carbide, steel |
| Application | Coal mining, water well drilling, geological drilling |
| Usage | Coring rocks |
| Hole diameter | 75.7(2.98") |
| Core diameter | 47.6(1.88") |
| Weight | 1kg |
| Water width | 7mm |
| Crown height | 8mm to 16mm |
| Suit hard | H1-H8 |
| Packaging | Carton box |
| Delivery | 1-5 days for sample,1-15 days for batch products |
| Shipping | Samples ship by Express, batch products ship by sea or by air |
| Payment term | T/T and L/C, Paypal |
| HS code | 82071910 |
Product pictures
![]() | ![]() |

