| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. proudly offers a remarkable selection of bit face shapes, each designed with precision to tackle various rock formations and drilling scenarios:
A superb choice for rapid penetration in soft to medium hard and fractured rock formations. This bit excels at low to medium air pressures, ensuring precise drilling by expertly maintaining hole deviation.
Expertly engineered for a wide range of applications in medium hard and unified rock formations, the concave face bit provides excellent hole deviation control and superior flushing capability.
The convex face bit is outstanding with high penetration rates in soft to medium-hard terrains, optimized for low to medium air pressures. It resists steel wash and minimizes gauge button wear, although it may offer limited hole deviation control.
The flat face bit is designed for high-performance in hard to intensely hard and abrasive rock formations under high air pressures, delivering superior penetration rates and resistance against steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that guarantee outstanding performance and enduring durability.
| Raw Material |
Introducing our premier steel and carbide products, ingeniously designed to serve a wide range of applications with unparalleled quality.
Our superior special alloy steel is crafted with exceptional strength, heat resistance, and durability. Engineered for the most challenging environments, it offers reliable performance and enduring resilience.
Experience the excellence of our product featuring top-tier tungsten carbides from China, renowned for their unparalleled hardness and reliability. Our collection also includes tungsten carbide from Europe, offering diverse options to perfectly suit your specific needs.
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 unrivaled performance 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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