HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Your one stop solution for rock drilling tools.
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Rock Drill Thread Button Bits is suitable for R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, T60 rock drill rods use. It have many thread. It's widely used for hard rock(f=8~18) drilling use.
1) Thread connection: R22, R25, R28, R32, R35, R38, T38, T45, T51, ST58, GT60
2) Alloy steel:45CrNiMoVa
3) Suitable carbide tips:YK05
4)Technology:hot-pressing or welding
| R38/T38 Button bits, normal skirt | |||||||
| Diameter | T.C buttons | Flushing hole | Angle | Weight | |||
| mm | inch | Gauge x mm | Front x mm | Side | Front | Gauge | Kg |
| 64 | 2 1/2 | 6x13 | 3x11 | 0 | 3 | 35° | 1.43 |
| 64 | 2 1/2 | 6x11 | 4x10 | 1 | 2 | 35° | 1.42 |
| 64 | 2 1/2 | 8x10 | 4x10 | 0 | 2 | 40° | 1.44 |
| 64 | 2 1/2 | 6x11 | 3x10,1x10 | 1 | 3 | 35° | 1.41 |
| 70 | 2 3/4 | 8x11 | 4x11 | 0 | 2 | 40° | 1.75 |
| 70 | 2 3/4 | 6x13 | 3x10,1x10 | 0 | 3 | 35° | 1.87 |
| 76 | 3 | 6x13 | 4x11 | 0 | 2 | 35° | 2.25 |
| 76 | 3 | 8x12 | 4x12 | 0 | 2 | 35° | 2.38 |
| 76 | 3 | 8x12 | 5x11 | 1 | 2 | 35° | 2.41 |
| 76 | 3 | 6x13 | 3x12,1x11 | 1 | 3 | 35° | 2.21 |
| 76 | 3 | 8x12 | 4x11,1x11 | 1 | 4 | 35° | 2.44 |
| 89 | 3 1/2 | 8x13 | 4x13 | 0 | 2 | 40° | 3.24 |
| 89 | 3 1/2 | 8x13 | 4x11,1x11 | 0 | 4 | 35° | 3.31 |
1) High quality;
2) High resistance;
3) High footage speed;
4) Very low breakage;
5) Very low percentage of carbide falling off.
6) Wide application range.
