| 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 selection of bit face shapes, each masterfully crafted to conquer a range of rock formations and drilling scenarios:
A masterful choice for rapid penetration in soft to medium-hard and fractured rock formations. This bit thrives under low to medium air pressures, expertly managing hole deviation to ensure precision drilling.
Engineered for versatility in medium-hard and unified rock formations, the concave face bit ensures excellent hole deviation control and superior flushing capability.
The convex face bit excels with 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 offer limited hole deviation control.
The flat face bit is engineered for top-tier performance in hard to intensely hard and abrasive rock formations under high air pressures, delivering exceptional penetration rates and robust resistance against steel wash.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium drilling bits that promise remarkable performance and enduring durability.
| Raw Material |
Introducing our top-tier steel and carbide products, ingeniously crafted to cater to a wide range of applications with unmatched quality.
Our superior special alloy steel is designed to offer remarkable strength, heat resistance, and durability. Engineered for the most demanding environments, it guarantees dependable performance and long-lasting resilience.
Discover the excellence of our product line featuring the finest tungsten carbides from China, renowned for their unmatched hardness and reliability. Additionally, our collection includes tungsten carbide from Europe, providing diverse options to perfectly meet your unique specifications.
Select Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for premium-grade steel and carbide products designed to meet the expectations of English-speaking professionals. Experience the unparalleled 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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