| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is proud to present an exceptional array of bit face shapes, each expertly designed to tackle various rock formations and drilling scenarios with precision and ease:
An exceptional choice for achieving rapid penetration in soft to medium-hard and fractured rock formations. This bit performs optimally at low to medium air pressures, skillfully maintaining hole deviation to ensure precision drilling.
Expertly engineered for diverse applications in medium hard and unified rock formations, the concave face bit guarantees excellent hole deviation control and superior flushing capability.
The convex face bit excels at delivering high penetration rates in soft to medium-hard terrains, optimized for low to medium air pressures. It offers superb resistance to steel wash and minimizes wear on gauge buttons, although it may provide limited hole deviation control.
Crafted to perform at a high level in intensely hard and abrasive rock formations under high air pressures, the flat face bit offers impressive penetration rates and resistance to steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for top-tier drilling bits that guarantee exceptional performance and enduring durability.
| Raw Material |
Introducing our leading steel and carbide products, masterfully developed to accommodate a wide range of applications with unparalleled quality.
Our premium special alloy steel is engineered with outstanding strength, heat resistance, and durability, designed to excel in the most challenging environments, delivering reliable performance and lasting resilience.
Discover the superiority of our products featuring premium tungsten carbides from China, renowned for their exceptional hardness and reliability. Our collection also includes tungsten carbide from Europe, offering a diverse range of choices tailored to perfectly match your specific needs.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-quality steel and carbide products crafted to meet the standards of English-speaking professionals. Experience the unparalleled performance and reliability that our superior materials offer.
| 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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