4inch DHD340 Cop44 Mission40 SD4 Qlx40 DTH Hammer for DTH Bit Use

• Customization: Available
• Certification: ISO 9001:2008
• Standard: GB, ASTM
• Model NO.: DHD3.5
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Model: 4inch
• DTH Hammer Shank: DHD340
• Hammer Connection: API 2 3/8"Reg
• Application: Quarry Mining Drilling
• Transport Package: Wooden Case
• Specification: DHD3.5
• Trademark: Temahwole
• Origin: China
• HS Code: 84314320
• Production Capacity: 1500

Product Description

Teamwhole manufactures wide range and most efficient Down-the-Hole (DTH) hammers and bits for the mining blasting,water well especially deep well drilling,foundation construction etc.Our prodcuts trust by drilling contractor becasue of the advantages
 
Drilling Dia. Range: holes from 90mm to 800mm
Application Fields: Widely used in open pit and underground mining,Water well drilling.,Deep well,Foundaion,Anchor drilling
Outstanding Advantage:
Piston with swivel grooves to distribute air ensures high drilling rate 
With bush drive sub to distribute air and have a high location to the bit
Outer Cylinder:Heavy duty cylinder for extended hammer life 

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/JS3.5	TSK4KH/JS4H	TSK5H/JS5	TSK6H/JS6
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
DTH hammer type		TSK8H/JS8	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
Connection thread		HEX	HEX	HEX	HEX
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

Process:


Packaging & Shipping: