| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers an extensive range of bit face shapes tailored to meet the demands of various rock formations and drilling conditions:
Perfect for achieving excellent penetration rates in soft to medium hard and fissured rock formations, this bit is designed for use with low to medium air pressures and ensures optimal hole deviation control.
Engineered for versatile applications in medium hard and homogeneous rock formations, the concave face bit delivers outstanding hole deviation control and flushing capacity.
The convex face bit excels in high penetration rates within soft to medium-hard formations, functioning optimally with low to medium air pressures. It offers resistance to steel wash and minimizes load and wear on gauge buttons, though it may experience challenges with hole deviation control.
Designed for tackling hard to very hard and abrasive rock formations with high air pressures, the flat face bit ensures swift penetration rates and robust resistance to steel wash.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. to ensure you receive top-quality drilling bits that promise unmatched performance and longevity.
| Raw Material |
Introducing an elite steel and carbide offering, impeccably suited for a variety of demanding applications.
Our premier special alloy steel boasts remarkable strength, heat resistance, and durability. Specifically formulated to endure even the harshest conditions, it ensures dependable performance and extended lifespan.
We proudly feature superior tungsten carbides sourced from China, celebrated for their unparalleled quality and reliability. These are widely embraced across industries for their exceptional hardness and wear resistance. Additionally, we provide tungsten carbide options from Europe, offering our clients a diverse array of choices to meet their unique requirements.
Select Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium steel and carbide products that fulfill the needs of English-speaking natives. Discover the remarkable difference in performance and reliability with our exceptional 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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