| Customization: | Available |
|---|---|
| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is a leading company in the drilling industry. Established in 2002, we specialize in research, design, production, sales, and management of drilling tools.
With over 300 employees, including 90 specialized technicians and 50 sales staff, we have the expertise and manpower to deliver high-quality products.
We take pride in our numerous patents within the drilling industry and our ISO9001 quality system. These certifications ensure that our products meet the highest standards of quality and performance.
Our 600,000 square workshop allows us to efficiently produce our products and meet customer demands within the specified lead time.
As a council unit of the China Drilling Steel and Drilling Tools Association, we have been instrumental in drawing up the standard for Chinese drilling steel and drilling tools.
Our products are widely used in various projects both domestically and internationally. They are known for their reliable quality and stable performance, making them highly sought after by customers.
Changsha Tianhe Drilling Tools and Machinery Co., Ltd. offers a high-quality High Air Pressure DTH Hammer for Mining - Drilling Rig. Our drilling equipment tools, including the QL80 DHD380 SD8 M80 drill bits, are designed for high-pressure mining drilling. Trust our reliable and efficient air pressure drilling rig for your mining needs.
Teamwhole, a subsidiary of Changsha Tianhe Drilling Tools and Machinery Co., Ltd., specializes in manufacturing a wide range of highly efficient Down-the-Hole (DTH) hammers and bits. Our products are trusted by drilling contractors worldwide due to their numerous advantages.
| DTH hammer (inch) | Matched Dth bit Shank | Bit range | |
| Metric | Inch | ||
| 3.5" | COP32/COP34/MACH303M30/DHD3.5/BR33 | 90mm-115mm | 3 1/2"-4" |
| 4" | COP44/DHD340/MACH44SD4/M40/QL40 | 105mm-152mm | 4 1/8"-6" |
| 5" | COP54/DHD350R/MACH50SD5/M50/QL50/BR5 | 133mm-165mm | 5 1/4"-6 1/2" |
| 6" | COP64/DHD360/SD6M/60/QL60/Bulroc BR6 | 152mm-254mm | 4 1/8"-10" |
| 8" | COP84/DHD380/SD8/QL80/M80 | 203mm-330mm | 8"-13" |
| 10" | SD10/NUMA100/TH10 | 254mm-380mm | 10"-15" |
| 12" | DHD1120/SD12/NUMA120/NUMA125 | 305mm-508mm | 12"-20" |
| 14" | TK14/NUMA125 | 400mm-550mm | 15 3/4"-22" |
| 18" | NUMA180/TK18 | 500mm-700mm | 19"-27 1/2"" |
| 24" | NUMA240/TK28 | 600mm-800mm | 23"-31 1/2" |
| Temahwole DTH hammer type | TSK3.5H/TH35 | TSK4KH/TH45 | TSK5H/TH55 | TSK6H/TH65 | |
| Length(less bit) mm | 807mm | 927 | 987 | 1163.5 | |
| Weight(less bit) kg | 22kg | 42 | 70 | 90 | |
| External diameter mm | Φ82mm | Φ99 | Φ126 | Φ146 | |
| Bit shank | DHD3.5 BR33 | COP44 DHD340 QL40 SD4 MISSION40 QLX40 | DHD350R COP54 QL50 SD5 MISSION50 | DHD360 SD6 COP64 QL60 MISSION60 | |
| Hole range(mm) | Φ90-110 | Φ110-135 | Φ138-165 | Φ152-203 | |
| Connection thread | API 2 3/8"Reg | API 2 3/8"Reg | API 2 3/8"Reg | API 3 1/2"Reg | |
| API 3 31/2"Reg | |||||
| Working pressure | 1.0-1.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 28Hz | 27Hz | 27Hz | 27Hz | |
| Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min | 25-40r/min | |
| Air consumption | 1.0Mpa | 4.5m³/min | 6.0m³/min | 6.0m³/min | 6.0m³/min |
| 1.8Mpa | 9.0m³/min | 10.0m³/min | 10.0m³/min | 10.0m³/min | |
| 2.4Mpa | 15.0m³/min | 15.0m³/min | 15.0m³/min | 15.0m³/min | |
| Teanwhole DTH hammer type | TSK8H TH85 | TH10S | TH12S TH12N TH12HN | A10-TD90 | |
| Length(less bit) mm | 1364.5 | 1432 | 1937 | 1432 | |
| Weight(less bit) kg | 185 | 294 | 791 | 294 | |
| External diameter mm | Φ182 | Φ222 | Φ274 | Φ220 | |
| Bit shank | DHD380 SD8 QL60 MISION80 | SD10 NUMA100 | NUMA120 NUMA125 SD12 | TD90 | |
| Hole range(mm) | Φ203-280 | Φ135-155 | Φ311-445 | Φ254-400 | |
| Connection thread | API 4 1/2"Reg | API 5 1/2"Reg | API 6 5/8"Reg | API 5 1/2"Reg | |
| Working pressure | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | 1.0-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 25Hz | 25Hz | 25Hz | 25Hz | |
| Recommended Rotation speed | 20-35r/min | 20-35r/min | 20-35r/min | 20-35r/min | |
| Air consumption | 1.0Mpa | 9.0m3/min | 9.0m3/min | 9.0m3/min | 9.0m3/min |
| 1.8Mpa | 15.0m3/min | 15.0m3/min | 15.0m3/min | 15.0m3/min | |
| 2.4Mpa | 23.0m3/min | 23.0m3/min | 23.0m3/min | 23.0m3/min | |
| DTH hammer type | TH14N | TH18N | TH24N | TH28N | |
| Length(less bit) mm | 2235 | 2425 | 2495 | 2610 | |
| Weight(less bit) kg | 950 | 1530 | 2450 | 4236 | |
| External diameter mm | Φ330 | Φ406 | Φ525 | Φ650 | |
| Bit shank | NUMA125 | NUMA180 | NUMA240 | TH28 | |
| Hole range(mm) | Φ400-550 | Φ155-190 | Φ600-800 | Φ800-1000 | |
| Working pressure | 1.7-2.5Mpa | 1.7-2.5Mpa | 1.7-2.5Mpa | 1.7-2.5Mpa | |
| Impact rate at 1.5-1.7Mpa | 23Hz | 23Hz | 23Hz | 20Hz | |
| Recommended Rotation speed | 20-30r/min | 20-30r/min | 20-30r/min | 20-30r/min | |
| Air consumption | 1.0Mpa | 10.0m³/min | 10.0m³/min | 10.0m³/min | 15.0m³/min |
| 1.8Mpa | 20.0m³/min | 20.0m³/min | 20.0m³/min | 26.0m³/min | |
| 2.4Mpa | 28.5m³/min | 28.5m³/min | 28.5m³/min | 34.0m³/min | |
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