Company Profile: Experience unrivaled expertise and innovation with Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
------Established in 2002: A legacy of two decades in pioneering advancements in drilling technology.
------Specialized in comprehensive drilling solutions encompassing research, design, production, sales, and management.
------Empowered by a dedicated team of over 300 employees, including 90 expert technicians and 50 experienced sales professionals.
------Holders of numerous patents in the drilling industry, underscored by our ISO9001 Quality Management System certification.
------Spanning a vast 600,000 square workshop to ensure prompt production timelines. ------As a leading council unit of the China Drilling Steel and Drilling Tools Association, we are instrumental in drafting the standards for Chinese drilling steel and tools. ------Our products, known for their reliable quality and consistent performance, are widely utilized in various projects both domestically and internationally, earning widespread customer acclaim.

Certificates: Our certifications stand as a testament to our commitment to quality and industry excellence.
Exhibition: Showcase your projects with our state-of-the-art solutions at industry-leading exhibitions.
Product Description: Discover the robust capabilities of our innovative products crafted to meet the dynamic needs of contemporary drilling operations.
Teamwhole delivers an extraordinary range of the most efficient Down-the-Hole (DTH) hammers and bits, engineered for optimal performance in mining blasting, water well, specifically deep well drilling, and foundation construction. Our products are the trusted choice among drilling contractors due to their outstanding benefits.
Drilling Dia. Range: Precision-engineered to accommodate holes ranging from 65 mm to an expansive 1200 mm.
Application Fields: Extensively employed in open-pit and underground mining, water well drilling, deep well projects, foundation construction, and anchor drilling.
Outstanding Advantage: Experience superior performance and efficiency that set industry standards.
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 |