Company Profile: Changsha Tianhe Drilling Tools and Machinery Co., Ltd. - A leader in innovation and quality.
------ Established in 2002, forging a legacy of excellence for over two decades.
------ Expertise in drilling tools: from research and design to production, sales, and comprehensive management.
------ Employing over 300 talented individuals, including 90 specialized technicians and 50 dedicated sales professionals.
------ Proud holders of numerous patents in the drilling industry. ------ Certified with the esteemed ISO9001 quality system.
------ Our expansive 600,000 square meter workshop ensures timely production delivery. ------ As a council member of the China Drilling Steel and Drilling Tools Association, we play a pivotal role in setting national standards for drilling steel and tools. ------ Our products, known for their reliability and stable performance, are trusted across various projects both domestically and internationally, earning widespread acclaim from our valued customers.
Certificates: Showcasing our commitment to quality and industry standards.
Exhibition: A testament to our global presence and engagement with industry leaders.
Product Description: Unleash the power of precision and efficiency with Teamwhole's DTH hammers and bits.
Teamwhole manufactures a comprehensive range of the most efficient Down-the-Hole (DTH) hammers and bits, ideal for mining blasting, water well drilling, particularly deep wells, and foundation construction. Our products are trusted by drilling contractors for their unmatched advantages.
Drilling Dia. Range: Capable of drilling holes from 65 mm to an impressive 1200 mm.
Application Fields: Versatile and reliable, our products are widely used in open pit and underground mining, water well drilling, deep well projects, foundation, and anchor drilling.
Outstanding Advantage: Experience the exceptional benefits that set our products apart in performance and reliability.
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 |