| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Discover unparalleled performance and variety with Changsha Tianhe Drilling Tools and Machinery Co., Ltd.'s comprehensive suite of button bits designed for superior mining drilling. Our extensive collection includes DTH rock drill bits, DHD drill bits, SD drill bits, Mission drill bits, QL drill bits, Mach drill bits, BR drill bits, and Numa drill bits, expertly crafted for blasting hole drilling, water well drilling, and more. As a trusted leader in the drilling equipment industry, we are committed to delivering high-quality rock drilling tools that perfectly align with your operational needs. Partner with us, your reliable DTH bit manufacturer and rock drill bit supplier, and experience the difference in quality and performance. Contact us today to embark on your journey to drilling excellence!
Perfectly engineered for achieving rapid penetration rates, the Drop Center Bit excels in soft to medium-hard and fissured rock formations. Designed for optimal performance at low to medium air pressures, offering superior control over hole deviation, ensuring precision in every operation.
The Concave Face is your go-to solution for versatile applications across medium-hard and homogeneous rock formations. It guarantees excellent hole deviation control while providing outstanding flushing capacity for seamless operations.
The Convex Face is designed to deliver impressive penetration rates in soft to medium-hard formations under low to medium air pressures. It is built to resist steel wash, reducing load and wear on gauge buttons, though it may exhibit less precision in hole deviation control.
Tailored for the most challenging conditions, the Flat Face is ideal for hard to very hard and abrasive rock formations when used with high air pressures. It ensures strong penetration rates and remarkable resistance to steel wash, catering to the most demanding drilling requirements.
For more information, please visit Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
| Raw Material |
Experience unmatched performance and steadfast reliability with our superior steel and carbide products. At Changsha Tianhe Drilling Tools and Machinery Co., Ltd., we provide a range of premium materials tailored for a variety of critical applications, ensuring excellence in every endeavor.
Our top-tier special alloy steel is meticulously crafted to endure the harshest conditions. With its unparalleled strength, heat resistance, and durability, our steel guarantees consistent performance and prolonged service life.
Our selection features the finest tungsten carbides sourced from leading manufacturers in China, praised for their exceptional quality and dependability. These carbides are prominently utilized across industries for their remarkable hardness and wear resistance. Additionally, we offer tungsten carbide from Europe, broadening our range to cater to diverse customer requirements.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for superior-quality steel and carbide products, expertly designed to meet the rigorous demands of English-speaking markets. Rely on our materials to deliver exceptional performance and reliability, every time.
| 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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