| 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 array of bit face shapes, each carefully designed and crafted to conquer a variety of rock formations and drilling scenarios:
This masterful selection ensures rapid penetration in soft to medium-hard and fractured rock formations. The bit excels in low to medium air pressures, ensuring precise drilling by expertly controlling hole deviation.
Designed for a broad spectrum of applications in medium hard and unified rock formations, this concave face bit delivers remarkable control over hole deviation and boasts superior flushing capability.
The convex face bit stands out with elevated penetration rates in soft to medium-hard terrains, optimized for low to medium air pressures. It features strong resistance to steel wash and reduces wear on gauge buttons, although its hole deviation control might be limited.
The flat face bit is crafted for high performance in hard to intensely hard and abrasive rock formations under demanding high air pressures, delivering impressive penetration rates and resilience against steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that deliver exceptional performance and long-lasting durability.
| Raw Material |
Introducing our premier steel and carbide products, ingeniously crafted to cater to a wide spectrum of applications with unmatched quality and excellence.
Our superior special alloy steel is engineered with outstanding strength, heat resistance, and durability, purpose-built for the most challenging environments, offering dependable performance and enduring resilience.
Experience the excellence of our products featuring top-tier tungsten carbides from China, renowned for their unmatched hardness and reliability. Additionally, our collection includes tungsten carbide from Europe, providing diverse options to perfectly align with your unique requirements.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-grade steel and carbide products, meticulously crafted to meet the expectations of English-speaking professionals. Discover the unparalleled performance and reliability embedded 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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