Durable RC Bit and Hammer for Coal and Ore Exploration Projects

• Customization: Available
• After-sales Service: 1 Year
• Warranty: 1 Year
• Model NO.: RE054 RE054
• Certification: ISO 9001:2000, ISO 9001:2008
• Standard: GB, ASTM
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Usage: Coal, Ore, Water Well
• Business Type: Manufacturer
• Number of Employees: 322
• Main Markets: North America, South America, Southeast Asia/ Mide
• Transport Package: Wooden Case
• Specification: 8inch, 3 Inch to 24 Inch
• Trademark: Temahwole
• Origin: China
• HS Code: 82071990
• Production Capacity: 2~3

Product Description

Company Profile: At the heart of innovation and excellence, Changsha Tianhe Drilling Tools and Machinery Co., Ltd. stands as a beacon of advanced engineering prowess.

• Established in 2002, our company has built a reputation for quality and reliability over decades.


• Specializes in the comprehensive research, design, production, sales, and meticulous management of top-tier drilling tools.


• With a robust team of over 300 dedicated individuals, including 90 specialized technicians with unmatched expertise and 50 dynamic sales staff, we drive excellence forward.


• Proudly holding multiple pioneering patents in the drilling industry, showcasing our commitment to innovation and leadership.


• ISO9001 certified, our quality management system is a testament to our unwavering dedication to excellence and quality.


• Our operations span a massive 600,000 square foot workshop, ensuring efficient production lead times and the capacity to meet diverse client demands.


• As an influential council unit of the China Drilling Steel and Drilling Tools Association, we actively contribute to the development of national standards, elevating industry practices.


• Our products stand out for their reliable quality and stable performance, gaining trust and acclaim in diverse projects both on domestic and international fronts, delighting customers worldwide.

Certificates: A testament to our credibility and excellence in the drilling industry.

Changsha Tianhe Drilling Tools and Machinery Co., Ltd. is your go-to leader in drilling equipment. Our team of 322 experts tirelessly crafts high-caliber, durable, and efficient tools. From state-of-the-art DTH hammers to precision drill bits, our offerings are synonymous with reliability and innovation. Opt for us to access top-tier, customizable, and versatile drilling solutions. Count on our advanced, precision-engineered, and resilient drill rigs. Embrace the pioneering technology and robust performance of our mining drill bits. With our prestigious certifications, trust in our unmatched expertise and steadfast commitment to excellence.

Exhibition: Discover our products and innovations at global exhibitions.

Product Description: An overview of our extraordinary offerings.

Teamwhole Down-the-Hole (DTH) Hammers and Bits, the epitome of efficiency and reliability.

Teamwhole, a proud subsidiary of Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a preeminent name in manufacturing high-performance Down-the-Hole (DTH) hammers and bits. Recognized globally, our products boast exceptional performance, delivering numerous advantages trusted by drilling contractors worldwide.

Product Features: A showcase of our distinctive product characteristics.

• Drilling Diameter Range: Our innovative DTH hammers and bits accommodate drilling holes from 65 mm to a substantial 1200 mm in diameter.


• Application Fields: Widely utilized in open pit and underground mining, water well drilling, deep well exploration, foundation construction, and anchor drilling, our products are indispensable.

Advantages: Our compelling edge over competitors.

• Efficiency: Engineered for maximum productivity, our DTH hammers and bits ensure swift and efficient drilling operations.


• Reliability: Crafted with premium materials and high-quality manufacturing processes, our products endure the harshest conditions, guaranteeing unparalleled reliability.


• Precision: Delivering remarkable accuracy, our DTH hammers and bits enhance precision, minimizing drilling errors.


• Versatility: Adaptable to a broad spectrum of drilling applications, our products are the versatile solution across diverse industries.

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