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DHD350 5 Inch Down The Hole Hammer with API 2 3/8 REG Connection Corrosion Resistant Carbon Steel Construction

Categories	DTH Hammer
Brand Name:	MTH
Model Number:	5 Inch
Certification:	ISO9001
Place of Origin:	CHINA
MOQ:	1 Piece
Price:	$3-$300
Payment Terms:	T/T,Western Union,MoneyGram
Supply Ability:	10000 pieces per month
Delivery Time:	10-15 days
Packaging Details:	wooden case
Product name:	DTH Hammer
Size:	5 inches
Connect thread:	API 2 3 / 8 REG
Machine type:	Drilling Tool,Drilling Equipment
Material:	Carbon Steel,Tungsten Carbide & Steel
Application:	Rock Drilling,quarry,water well drilling,mining or welling drilling
Color:	Blue,Gold,Red,blue or customized
Processing type:	Forging,Casting
Advantage:	High Performance,High Wear Resistant,High-efficiency

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Company Info.

HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD

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DHD350 5 Inch Down The Hole Hammer

Application:

Be used for drilling in mining, quarrying, exploration, water-well, geothermal, and construction / geotechnical projects

Description:

“DTH” is the short for “Down The Hole” and sometimes it is also called “RAB” in some markets, “RAB” is short for “Rotary Air Blasting”.

Specifications:

Technical Data
Length(Without Bit)	930mm	1030mm	1214mm	1160mm	1248mm
Weight(Without Bit)	25.00 kg	39.00 kg	76.50 kg	72.50 kg	100.00 kg
External Diameter	82mm	99mm	126mm	126mm	142/144/146/148mm
Bit Shank	DHD3.5	COP44/DHD340	COP54/DHD350R	ND55C/DHD350Q	COP64/DHD360
Hole Range	90-110 mm	110-135 mm	135-155 mm	135-155 mm	155-190 mm
Connect ion Thread	API 2 3/8”Reg	API 2 3/8”Reg	API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg	API 2 3/8”Reg API 3 1/2”Reg API 2 7/8”Reg	API 3 1/2”Reg
Working Pressure	1.0- 1.5 Mpa	1.2-2.0 Mpa	1.3-2.3Mpa	1.3-2.3 Mpa	1.5-2.5 Mpa
Inpact Rate at 17 Bar	28HZ	27HZ	25HZ	25HZ	23HZ
Reccfurended Rotation Speed	25-40 "min	25-40 r/min	20-35 r/min	20-35 r/min	20-30 r/min
Air Consunption	1.0Mpa :4.5 m3/min	1.0Mpa :6m3/min	1.0Mpa:9 m3/min	1.0Mpa:9m3/min	1.0Mpa :10 m3/min
	1.5Mpa:9.0m3/min	1.8Mpa:10m3/min	1.8Mpa:15m3/min	1.8Mpa:15m3/min	1.8Mpa:20m3/min
		2.4Mpa:15m3/min	2.4Mpa:23m3/min	2.4Mpa:23m3/min	2.4Mpa:28.5m3/mi

Package:

Wooden case

Features:

1. Simple and reasonable design, easy to assemble and dis-assemble, low problem rate.

2. Low air consumption, smooth drilling, maximum impact power, high penetration rate.

3. Multiple precise heat-treatment with all hammer parts to provide longest lifespan under roughest working conditions.

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