ZhuZhou Better Tungsten Carbide Co., Ltd
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Tapered 32mm 34mm 36mm 38mm 7 Degree Rock Drill Bit For Mining Granite
Zhuzhou Better Tungsten Carbide supply many kinds of carbide rock drill bits. This kind of mining bits are often applied in Mine machinery tools, Coal Cutter Drilling Tools. Carbide rock tool bits are widely used in mining industry. As we all know, They are for mining tools, Rock tools, Quarrying, Mining, Tunnelling, Construction and so on.
Grade for referance:
| 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 |
Types of the Rock drill bits
| Models NO. | Diameter | aº Taper | Alloy NO. | |
| D | d | 6º 7º 12º | Y K 0 5 | |
| Q32 | 32 | 23 | ||
| Q34 | 34 | |||
| Q36 | 36 | |||
| Q38 | 38 | |||
| Q40 | 40 | |||
| Q42 | 42 | |||
| Q45 | 45 | |||
| Q50 | 50 | |||
| Models No. | (MM) Diameter | Threaded figure | Alloy NO. |
| Q45-R25 | 45 | R25 | Depends on the hardness of the Rock |
| Q50-R25 | 50 | ||
| Q50-R32 | 50 | R32 | |
| Q55-R32 | 55 | ||
| Q60-R32 | 60 | ||
| Q65-R32 R38 | 65 | R32 R38 | |
| Q76-R38 T38 T45 | 76 | R38 T38 T45 | |
| Q89-T38 T45 | 89 | T38 T45 | |
| Q102-T45 T51 | 102 | T45 T51 | |
| Q115-T51 | 115 | T51 | |
| Q127-T51 | 127 |
Our advantages
With strict tolerance extent control;
Excellent wear resistance & high toughness;
Have very good thermal & chemical stability;
Anti-deformation & deflection;
A special Hot Isostatic Press (HIP) process provides quality improvement to the finished products to ensure material reliability.
Carbide mining Standard and non-standard types are all available based on customers requests! Please contact with our team, if you have any further inquiry.