ZhuZhou Better Tungsten Carbide Co., Ltd
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High resistance Tungsten Carbide Picks For Rock Drilling In China
Tungsten carbide coal picks Application
Our cutting bits are used for the tunneling machines, longwall coal shearers, continud coal miners, and crushers serving for mining, construction and tunneling etc.
Grade of Carbide coal button bits
| Category | Grade | Density (g/cm³) | Hardness (HRA) | TRS(Mpa) |
| For geological and coal mining | YG4C | 15.13 | 90.2 | 1920 |
| YG6 | 14.96 | 91.1 | 2200 | |
| YG8 | 14.77 | 89.4 | 2350 | |
| YG8C | 14.65 | 88.2 | 2560 | |
| YK20.3 | 14.67 | 88.7 | 2380 | |
| For Oil field | YG11C | 14.35 | 87.9 | 2850 |
| YK05 | 14.80 | 90.1 | 2600 | |
| YK10 | 14.60 | 88.8 | 2500 | |
| YK25 | 14.50 | 87.6 | 3000 | |
| YK25.1 | 14.40 | 88.2 | 2800 | |
| YK50 | 14.12 | 85.0 | 2900 |
Details of Carbide button bits
| Coal Cutter Buttons | ||||||
| TYPE | D | d | H | h | E | SR1 |
| MJ1827 | 18 | 3 | 27 | 15.5 | 3.5 | 1 |
| MJ2428 | 24 | 4 | 28 | 12.5 | 3.5 | 1.5 |
For more details about tungsten carbide buttons , please feel free to us!