Company Profile: Discover the excellence of Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
------Established in 2002, a name synonymous with trust and innovation
------A specialist in the comprehensive spectrum of drilling tools, from research to sales and management
------Employing a robust team of over 300, including 90 expert technicians and 50 dedicated sales professionals
------Holder of multiple industry patents and certified to the ISO9001 quality management system
------A sprawling 600,000 square meter workshop guarantees timely production ------Proudly serving as a council member of the China Drilling Steel and Drilling Tools Association, instrumental in setting national standards ------Our products, cherished for their quality and consistency, are sought after in diverse projects both domestically and internationally, earning widespread acclaim

Certificates: A testament to our commitment to quality and innovation
Exhibition: Showcasing our cutting-edge solutions on a global stage
Product Description: Unveiling the exceptional capabilities of our offerings
Teamwhole, a symbol of excellence, manufactures a comprehensive range of high-efficiency Down-the-Hole (DTH) hammers and bits. Perfectly suited for challenging tasks like mining blasting, water well, especially deep well drilling, and foundation construction, our products are trusted by drilling contractors for their unparalleled advantages.
Drilling Dia. Range: Expertly crafted to deliver precision in holes spanning from 65 mm to 1200mm
Application Fields: Perfectly versatile, our tools excel in open pit and underground mining, water well drilling, deep well, foundation, and anchor drilling
Outstanding Advantage: A hallmark of reliability and superior performance
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 |