| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | ISO9001:2015 |
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| General Introduction |
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. presents an array of bit face shapes perfectly suited for a variety of rock formations and drilling conditions:
The Drop Center Bit is designed to deliver outstanding penetration rates in soft to medium-hard and fissured rock formations. Ideal for operations involving low to medium air pressures, it ensures superior hole deviation control.
Perfectly engineered for versatile applications in medium-hard and uniform rock formations, the Concave Face Bit delivers excellent hole deviation control and efficient flushing capacity.
The Convex Face Bit is crafted to achieve high penetration rates in soft to medium-hard formations using low to medium air pressures. It effectively resists steel wash, reducing load and wear on gauge buttons, though it may compromise on hole deviation control.
The Flat Face Bit excels in hard to extremely hard and abrasive rock formations, especially under high air pressures, ensuring robust penetration rates and remarkable steel wash resistance.
Opt for Changsha Tianhe Drilling Tools and Machinery Co., Ltd. when selecting premium drilling bits that offer unmatched performance and durability.
| Raw Material |
Introducing a premium-grade product combining steel and carbide, tailored to excel in various demanding applications.
Our specially formulated alloy steel boasts remarkable strength, heat resistance, and durability. Expertly crafted to endure the most challenging conditions, it assures dependable performance and extended lifespan.
Our product is enhanced with top-tier tungsten carbides sourced from China, famed for their unmatched quality and reliability. These carbides are esteemed across various industries for their exceptional hardness and wear resistance. We also provide options with tungsten carbide from Europe, offering our clients a versatile selection to meet their precise needs.
Select Changsha Tianhe Drilling Tools and Machinery Co., Ltd. for superior steel and carbide products that fulfill the expectations of English-speaking natives. Discover the difference in performance and reliability with our high-caliber 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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