Company Profile Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
------Established in 2002, Changsha Tianhe Drilling Tools and Machinery Co., Ltd. stands as a beacon of excellence in the drilling industry.
------Renowned for our expertise in the research, design, production, sales, and management of top-tier drilling tools.
------Our robust team of over 300 dedicated professionals includes 90 specialized technicians and 50 talented sales staff, all working in harmony.
------With a diverse array of patents in the drilling arena and certified by the esteemed ISO9001 quality system, we lead with innovation and reliability.
------Housed in a sprawling 600,000-square-foot workshop, we guarantee timely production. As a pivotal council member of the China Drilling Steel and Drilling Tools Association, we help define the national standards for drilling steel and tools. Our products, celebrated for their unparalleled quality and dependable performance, are sought after in a multitude of projects both domestically and internationally, earning widespread customer satisfaction.

Certificates:
Exhibition:
Product Description:
Teamwhole takes pride in crafting a comprehensive range of ultra-efficient Down-the-Hole (DTH) hammers and bits, perfect for mining blasting, water wells, particularly deep well drilling, and foundation construction. Our products are the preferred choice for drilling contractors due to their undeniable advantages.
Drilling Dia. Range: Our products cater to varying needs with hole diameters ranging from 65 mm to 1200 mm.
Application Fields: Our solutions are extensively utilized in open pit and underground mining, water well drilling, deep wells, foundations, and anchor drilling.
Outstanding Advantage:
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 |