| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers an impressive variety of bit face shapes, tailored to optimize performance across different rock formations and drilling conditions:
Ideal for achieving exceptional penetration rates in soft to medium-hard and fissured rock formations, this bit excels under low to medium air pressures and ensures superior hole deviation control.
Designed for versatile applications in medium-hard and homogeneous rock formations, the concave face bit provides excellent hole deviation control and efficient flushing capacity.
The convex face bit is engineered for high penetration rates in soft to medium-hard formations at low to medium air pressures. It boasts resistance to steel wash and minimizes load and wear on gauge buttons, though it may compromise hole deviation control.
The flat face bit is expertly suited to tackle hard to very hard and abrasive rock formations at high air pressures, ensuring good penetration rates and excellent resistance to steel wash.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that promise outstanding performance and unmatched durability.
| Raw Material |
Introducing our premium steel and carbide product, crafted to excel in a diverse range of applications.
Our exclusive special alloy steel is meticulously designed to offer unparalleled strength, heat resistance, and durability. It is engineered to withstand the most challenging conditions, ensuring dependable and long-lasting performance.
Our products feature superior quality tungsten carbides from China, celebrated for their exceptional hardness and wear resistance. Widely utilized across various industries, these carbides are also available with tungsten carbide from Europe, offering our customers a selection tailored to their specific requirements.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for top-tier steel and carbide products crafted to meet the expectations of English-speaking natives. Discover enhanced performance and reliability with our outstanding materials.
| 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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