Company Profile: At the heart of the drilling industry stands Changsha Tianhe Drilling Tools and Machinery Co., Ltd., a beacon of innovation and excellence.
------Founded in 2002, our journey has been one of unwavering dedication and growth in the drilling realm.
------Renowned for our expertise, we specialize in comprehensive drilling tools research, design, production, sales, and adept management.
------Our dynamic team of over 300 employees includes 90 specialized technicians and a dedicated sales force of 50 professionals.
------Proud holders of numerous industry patents, we adhere to the prestigious ISO9001 quality system, ensuring superior standards.
------Spanning a massive 600,000 square meters, our workshop is a hub of efficiency, guaranteeing prompt production lead times. As a respected council unit of the China Drilling Steel and Drilling Tools Association, we play a crucial role in shaping the standards of Chinese drilling steel and tools. Our products, celebrated for their reliability and stable performance, are embraced by projects worldwide, earning the trust of a global clientele.
Certificates: A testament to our commitment to excellence and adherence to industry standards.
Exhibition: Showcasing our innovations and engaging with the global drilling community.
Product Description:
Teamwhole takes pride in crafting a broad spectrum of the most efficient Down-the-Hole (DTH) hammers and bits, expertly designed for mining blasting, water wells, particularly deep well drilling, and foundation construction. Trusted by drilling contractors, our products are revered for their remarkable advantages.
Drilling Dia. Range: Capable of accommodating holes from 65 mm to an impressive 1200 mm.
Application Fields: Our versatile solutions are extensively employed in diverse areas such as open pit and underground mining, water well drilling, deep wells, foundation, and anchor drilling.
Outstanding Advantage: Our products stand out in the industry for their reliability, efficiency, and innovative design, setting new benchmarks in the drilling world.
| 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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