| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
At Changsha Tianhe Drilling Tools and Machinery Co., Ltd., we proudly present an exceptional array of bit face shapes, each meticulously designed to tackle diverse rock formations and drilling conditions with precision:
An outstanding option for achieving rapid penetration in soft to medium-hard and fractured rock formations. This bit excels at low to medium air pressures, expertly maintaining hole deviation for precise drilling outcomes.
The concave face bit is crafted for versatility in medium-hard and unified rock formations, offering excellent hole deviation control and exceptional flushing capabilities.
The convex face bit achieves remarkable penetration rates in soft to medium-hard terrains, optimized for low to medium air pressures. It features resistance to steel wash and minimizes wear on gauge buttons, though it may provide limited hole deviation control.
The flat face bit is designed for high performance in hard to extremely hard and abrasive rock formations under high air pressures, offering commendable penetration rates and resistance against steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that promise exceptional performance and enduring durability.
| Raw Material |
We unveil our premier range of steel and carbide products, ingeniously crafted to cater to a wide spectrum of applications with unrivaled quality and performance.
Our superior special alloy steel is engineered with exceptional strength, heat resistance, and durability. Tailored for the most demanding environments, it provides reliable performance and long-lasting resilience.
Experience the superiority of our products featuring premium tungsten carbides from China, celebrated for their unparalleled hardness and reliability. Our collection also includes tungsten carbide from Europe, offering diverse options to perfectly suit your specific needs.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-grade steel and carbide products meticulously designed to meet the highest expectations of English-speaking professionals. Discover the unmatched performance and reliability that define 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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