| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers an extensive selection of bit face shapes, meticulously tailored to optimize performance across various rock formations and drilling conditions:
Perfectly crafted to achieve exceptional penetration rates in soft to medium-hard and fissured rock formations, the Drop Center Bit is ideal for use with low to medium air pressures, ensuring outstanding hole deviation control.
Engineered for versatile applications in medium-hard and homogeneous rock formations, the Concave Face Bit offers superior hole deviation control and excellent flushing capacity for optimal drilling precision.
The Convex Face Bit is expertly designed to deliver high penetration rates in soft to medium-hard formations under low to medium air pressures. It is highly resistant to steel wash, minimizing load and wear on gauge buttons, though it may display limited hole deviation control.
Optimized for hard to very hard and abrasive rock formations, the Flat Face Bit is tailored for high air pressures, offering impressive penetration rates alongside robust resistance to steel wash.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for unparalleled drilling bits that deliver top-tier performance and enduring durability.
| Raw Material |
Introducing our premier steel and carbide products, crafted to perfection for a multitude of demanding applications.
Our top-of-the-line special alloy steel boasts exceptional strength, heat resistance, and lasting durability. It is precisely engineered to withstand the harshest conditions, delivering reliable performance and long service life.
Our offerings feature the finest tungsten carbides from China, celebrated for their unmatched quality and dependability. Known for their exceptional hardness and wear resistance, these carbides are ideal for a wide range of industrial applications. Additionally, we provide tungsten carbide sourced from Europe, offering our clients a diverse selection to meet their specific requirements.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for superior steel and carbide products that cater to the demands of English-speaking clients. Discover unparalleled performance and reliability with our premium 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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