| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents a range of high-quality shanks designed for various drilling applications. Our shanks, including DHD, COP, MISSION, QL, SD, and MACH, are known for their reliability, long service life, and minimal breakage during operation.
Choose the right bit face shape for optimal drilling performance:
Designed for high penetration rates in soft to medium hard and fissured rock formations. Ideal for low to medium air pressures and offers maximum hole deviation control.
The all-around application bit face specifically designed for medium hard and homogeneous rock formations. Provides good hole deviation control and excellent flushing capacity.
Recommended for high penetration rates in soft to medium-hard rock formations with low to medium air pressures. Offers the highest resistance to steel wash and reduces load and wear on the gauge buttons. However, it may have poor hole deviation control.
Perfect for hard to very hard and abrasive rock formations in applications with high air pressures. Provides good penetration rates and resistance to steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for reliable shanks and bit face shapes that ensure efficient and effective drilling in various rock formations.
| Raw Material |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is proud to offer a range of high-quality steel and carbide products that are perfect for various applications.
Our steel is made from a first-class special alloy that possesses exceptional strength, heat resistance, and durability. It is designed to withstand even the most demanding conditions, ensuring long-lasting performance.
For the best tungsten carbides, look no further than our products. We source the finest tungsten carbides from China, which are widely recognized for their superior quality and reliability. Additionally, we also offer tungsten carbide from Europe, providing our customers with a wider range of options to choose from.
Whether you need steel or carbide products, our offerings are designed to meet your specific requirements and deliver exceptional results. Trust Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for all your steel and carbide needs.
| Model | Bit diameter mm(inch) | Weight |
| TH79(3.5inch) | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD3.5 | 90mm-105mm(3 1/2-4 1/8) | 4.5-5.5 |
| BR33 | 90mm-100mm(3 1/2-3 7 /8) | 4-4.5 |
| DHD340 | 105mm-138mm(4 1/10-5 2/5) | 8-12 |
| QL40 | 110mm-133mm(4 3/8-5 1/4) | 10-12 |
| DHD350 | 135mm-165mm(5 3/10-6 1/2) | 15.2-18 |
| MISSION50 | 138mm-165mm(5 2/5-6) | 16-18 |
| QL50 | 138mm-152mm(5 2/5-6) | 16-18 |
| SD5 | 138mm-152mm(5 2/5-6) | 16-18 |
| MAHC50TS398(20inch) | 138mm-152mm(5 2/5-6) | 16-18 |
| DHD360 | 152mm-203mm(6-8) | 24-33 |
| MISSION60 | 152mm-203mm(6-8) | 21-30 |
| SD6 | 152mm-254mm(6-10) | 24-50 |
| QL60(COP64G) | 152mm-203mm(6-8) | 24-33 |
| XL60 | 152mm-190mm(6-7 1/2) | 22-27 |
| DHD380 | 200mm-305mm(7 7/8-12) | 47-82 |
| SD8 | 200mm-305mm(7 7/8-12) | 47-82 |
| QL80 | 200mm-305mm(7 7/8-12) | 48-84 |
| TH220 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| NUMA100 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| SD10 | 240mm-350mm(9 2/5-13 7/10) | 75-125 |
| DHD112 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| SD12 | 310mm-444.5mm(12 1/5-17 1/2) | 142-254 |
| NUMA120 | 310mm-444.5mm(12 1/5-17 1/2) | 140-252 |
| TH398(20inch) | 500mm-550mm(19 3/5-21 3/5) | 480-510 |
| TH600(32inch) | 800mm-1000mm(31 2/5-39 3/10) | 680-984 |
| Package |
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