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Percussion tungsten carbide drill bits for Coal Mining / MR30 / MR600 / WC / Cobalt
Grade | Density g/cm3 | Hardness HRA | T.R.S MPa | Property & Application | ISO |
MR300 | 15.1 | 94 | 1700 | Used for non-ferrous and non-metal bore drilling | K01 |
MR600 | 14.95 | 90.5 | 2400 | Widely used for electric drill in special condition, also used for electric dill or pneumatic drill for building, geology and coal mining. | K15 |
MR600A | 14.75 | 91.5 | 2400 | K10 | |
MR800 | 14.7 | 89.8 | 2600 | Suitable for all kinds of cement drill bits, or electric dill or pneumatic drill for building and geology. | K20 |
MR8-B | 14.7 | 88.5 | 2700 | Suitable for harder rock or rock with hard stratum or metallic rock. | K20 |
MR9-B | 14.4 | 87.0 | 2800 | Used for deep well or heavy rock drill | K30 |
Our advantages:
1.Strong R&D team. Professional engineers serve for clients, recommend product and grades as per your applications. We also offer after-sale service.
2. Strong Mould R&D team. We support product customization as per requirements, ensure high working efficiency with good quality.
3. Successful cooperation case: We cooperate with clients in domestic and abroad, and get good feedback from them.