| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Supplier of Numa Drill Bits for water well and mining drilling. We offer a wide range of DTH rock drill bits, including DHD, SD, Mission, QL, Mach, and BR series. Our button bits are perfect for water well drilling. We also provide casing tubes and pipes for rock drilling. Choose us as your trusted supplier for mining drilling tools and water well drilling equipment.
The Bit Face Shape Selection by Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers a range of options to suit various rock formations and drilling conditions. With our reliable quality and long service life, you can trust our bits to deliver exceptional performance.
The Drop Center Bit is ideal for achieving high penetration rates in soft to medium hard and fissured rock formations. It is suitable for low to medium air pressures and provides maximum hole deviation control. With this bit, you can expect efficient drilling even in challenging conditions.
The Concave Face bit is designed for all-around applications in medium hard and homogeneous rock formations. It offers good hole deviation control and flushing capacity, ensuring smooth and precise drilling operations.
The Convex Face bit is perfect for soft to medium-hard formations with low to medium air pressures. It is resistant to steel wash and reduces load and wear on gauge buttons. However, it may have poor hole deviation control. This bit is a reliable choice for achieving high penetration rates.
The Flat Face bit is suitable for hard to very hard and abrasive rock formations with high air pressures. It provides good penetration rates and resistance to steel wash, making it a durable option for demanding drilling tasks.
| Raw Material |
Presenting a top-quality steel and carbide product that is perfect for various applications.
Our first-class special alloy steel is designed with exceptional strength, heat resistance, and durability. It is specifically engineered to withstand the toughest conditions, ensuring reliable performance and longevity.
Our product features the best tungsten carbides sourced from China, renowned for their superior quality and reliability. These carbides are widely used in various industries due to their exceptional hardness and wear resistance. Additionally, we also offer tungsten carbide from Europe, providing our customers with a wider range of options to suit their specific needs.
Choose Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for high-quality steel and carbide products that meet the demands of English-speaking natives. Experience the difference in performance and reliability with our top-notch 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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