Zhuzhou Weikeduo Cemented Carbide Co., Ltd.
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Tungsten carbide connecting rod
Coupling sleeve for Extension Drill Rod connection.High quality of alloy steels and CNC machining guarantee our reliable and consistent quality control of coupling sleeves.when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to join the adapter to the rod, ensuring the ends touch for efficient energy transmission.
Cobalt binder grades
| Grade | Density(g/cm³) | Hardness(HRA) | TRS(N/mm²) |
| YG6 | 14.8 | 90 | 1520 |
| YG6X | 14.9 | 91 | 1450 |
| YG6A | 14.9 | 92 | 1540 |
| YG8 | 14.7 | 89.5 | 1750 |
| YG12 | 14.2 | 88 | 1810 |
| YG15 | 14 | 87 | 2050 |
| YG20 | 13.5 | 95.5 | 2450 |
Hard Alloy has a series of excellent properties and has a wide range of applications. Its applications are still expanding over time. Its main uses are as follows: cutting Tools, geological mining tools, molds, wear-resistant parts, cavities for high pressure and high temperature resistance, other uses
