Company Profile: Changsha Tianhe Drilling Tools and Machinery Co., Ltd.
------Proudly established in 2002
------Expertise in drilling tools with comprehensive capabilities in research, design, production, sales, and management
------Over 300 dedicated employees, including 90 specialized technicians and 50 proficient sales staff
------Holders of numerous industry patents ------Certified ISO9001 quality management system
------Sprawling 600,000 square meter workshop ensures timely production lead times ------As a prestigious council unit of the China Drilling Steel and Drilling Tools Association, we spearhead the standards for Chinese drilling steel and tools ------Renowned for reliable quality and stable performance, our products are embraced across diverse projects both locally and internationally

Certificates:
Exhibition:
Product Description:
Teamwhole is a leader in manufacturing a vast array of efficient Down-the-Hole (DTH) hammers and bits, specifically designed for mining blasts, water well, especially deep well drilling, and foundation construction projects. Our products are trusted by drilling contractors due to their unparalleled advantages.
Drilling Diameter Range: Capable of drilling holes from 65 mm to 1200 mm
Application Fields: Our versatile products are widely utilized in open pit and underground mining, water well drilling, deep well projects, foundation, 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 |