Zhuzhou Rixin brand tungsten cemented carbide tip drill bits
advantage of tungsten carbide bits
Product Name: tungsten carbide bits
Material: tungsten carbide
Color: sliver gray
Standard: ISO
Material: MR300,MR600,MR800,MR8-B
Application: widely used for drilling building, geology and coal mining and heavy rock
| 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 |
Description of tungsten carbide bits
| Specification | D(mm) | W(mm) | T(mm) |
| 4 | 4.37 | 3.40 | 1.00 |
| 4.17 | 3.20 | 0.93 |
| 5 | 5.37 | 4.20 | 1.20 |
| 5.17 | 4.00 | 1.13 |
| 6 | 6.37 | 5.00 | 1.40 |
| 6.17 | 4.80 | 1.30 |
| 6.5 | 6.78 | 5.84 | 1.52 |
| 6.63 | 5.58 | 1.45 |
| 7 | 7.42 | 5.80 | 1.60 |
| 7.22 | 5.60 | 1.50 |
| 8 | 8.42 | 5.90 | 1.80 |
| 8.22 | 5.60 | 1.70 |
| 8.5 | 8.47 | 6.85 | 1.52 |
| 8.32 | 6.60 | 1.45 |
| 10 | 10.42 | 7.30 | 2.20 |
| 10.22 | 7.00 | 2.05 |
| 10.11 | 10.08 | 8.37 | 1.98 |
| 9.93 | 8.12 | 1.91 |
| 12 | 12.47 | 8.70 | 2.50 |
| 12.22 | 8.40 | 2.35 |
| 13 | 13.43 | 11.30 | 2.31 |
| 13.23 | 10.92 | 2.21 |
| 14 | 14.47 | 10.10 | 2.80 |
| 14.22 | 9.80 | 2.62 |
| 15.04 | 15.01 | 12.36 | 2.31 |
| 14.80 | 11.98 | 2.21 |
| 16 | 16.47 | 10.10 | 2.20 |
| 16.22 | 9.60 | 2.02 |
| 16.76 | 16.73 | 13.33 | 2.31 |
| 16.53 | 12.95 | 2.21 |
| 19 | 19.40 | 12.00 | 2.50 |
| 19.25 | 11.50 | 2.32 |
| 22 | 22.49 | 13.00 | 2.50 |
| 22.26 | 12.50 | 2.30 |
| 25 | 25.49 | 15.50 | 3.00 |
| 25.26 | 15.00 | 2.80 |
| All kinds of non-standard drill bits and eccentric drill bits can be customized as per customers’ requirements |
Production features of tungsten carbide bits
a.HIP sintering ensures tungsten carbide bits has good density and strength.
b.Removing tungsten carbide bits surface stress and enhancing hardness by special process.
c. Nickel coating enhances the surface finish, wear resistance and welding property of products. It is suitable for auto welding electric drill or pneumatic drill.
Packing and delivery of tungsten carbide bits
wrapped tungsten carbide bits in plastic bottle to avoid tungsten carbide bits to broke →
put the tungsten carbide bits in inner small carton box →
put the inner box into outter carton and fill the carton with foamed plastic →
wrap the carton with packaging tape →
you can choose any delivery way such as DHL,TNT,UPS ect.
Company brief introduction
1, Strong production capacity. We own mature production technology, process, various TPA press, large tonnage of hydraulic press and HIP furnace, ensuring pressing quality and sintering capacity achieving 500KG per time. We can guarantee uniformity and stability of mass production.
2, Strong R&D team. Professional engineers serve for clients, recommending product and grades as per your applications. They also offer best after-sale service.
3, Strong Mould R&D team. They support customization of products as per requirements, and ensure high working efficiency and product quality.
4, Successful cooperation case: We cooperate with clients in domestic and abroad, and get good feedback from them.
