| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. proudly offers an impressive selection of bit face shapes, each meticulously crafted to conquer various rock formations and drilling scenarios with exceptional effectiveness:
A masterful choice for achieving swift penetration in soft to medium hard and fractured rock formations. This expertly designed bit thrives at low to medium air pressures, maintaining impeccable hole deviation for precision drilling.
Engineered for versatile applications in medium hard and unified rock formations, the concave face bit assures excellent hole deviation control and superior flushing capability, enhancing overall performance.
The convex face bit excels with high penetration rates in soft to medium-hard terrains, optimized for low to medium air pressures. It offers resistance to steel wash and minimizes wear on gauge buttons, though it may provide limited hole deviation control.
The flat face bit is expertly engineered for high performance in hard to intensely hard and abrasive rock formations under high air pressures, delivering commendable penetration rates and resistance against steel wash for prolonged use.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that assure outstanding performance and long-lasting durability, ensuring your drilling projects are executed with excellence.
| Raw Material |
Introducing our premier steel and carbide products, ingeniously designed to cater to a wide spectrum of applications with unmatched quality and reliability.
Our superior special alloy steel is crafted with outstanding strength, heat resistance, and durability. Designed for the most challenging environments, it provides dependable performance and enduring resilience.
Experience the excellence of our product featuring top-tier tungsten carbides from China, celebrated for their unmatched hardness and reliability. Additionally, our exceptional collection includes tungsten carbide from Europe, offering diverse choices to perfectly align with your unique requirements and preferences.
Select Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-grade steel and carbide products tailored to meet the expectations of English-speaking professionals. Discover the unmatched performance, quality, and reliability inherent in our superior 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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