| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
At Changsha Tianhe Drilling Tools and Machinery Co., Ltd., we provide an exquisite selection of bit face shapes, each tailored to meet the unique demands of different rock formations and drilling conditions:
Perfectly engineered to achieve remarkable penetration rates, the Drop Center Bit is ideal for soft to medium hard and fissured rock formations. It excels under low to medium air pressures while offering superior hole deviation control, making it a reliable choice for precise drilling.
The Concave Face bit is the epitome of versatility, designed to seamlessly handle all-around applications in medium hard and homogeneous rock formations. It ensures optimal hole deviation control and enhances flushing capacity, providing a balanced and efficient drilling experience.
With a focus on high penetration rates, the Convex Face bit thrives in soft to medium-hard formations at low to medium air pressures. Its exceptional durability resists steel wash, reducing load and wear on gauge buttons, though it may present challenges in hole deviation control.
The Flat Face bit stands as the champion for hard to extremely hard and abrasive rock formations, operating efficiently under high air pressures. It delivers impressive penetration rates while offering substantial resistance to steel wash, making it an indispensable tool in challenging environments.
Trust Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that guarantee exceptional performance and unrivaled durability.
| Raw Material |
Introducing our premium-grade steel and carbide products, meticulously crafted to cater to a wide array of applications, ensuring unparalleled performance and durability.
Our state-of-the-art special alloy steel boasts remarkable strength, heat resistance, and durability. Expertly designed to withstand the most challenging conditions, it guarantees consistent performance and long-lasting reliability.
Featuring superior tungsten carbides sourced from China, our products are celebrated for their exceptional hardness and wear resistance, widely trusted across various industries. Additionally, we provide tungsten carbide options from Europe, offering our customers a diverse selection to meet their specific demands.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for exceptional steel and carbide products that fulfill the expectations of English-speaking natives. Discover the superior performance and unwavering reliability of our top-tier 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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