HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
                                                                                                           
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DTH Hammer: DHD 3.5, Length 1248mm, Weight 100kg, 142/144/146/148mm Diameter

Price Negotiable
Price: $3-$300
MOQ: 1 Piece
Delivery Time: 10-15 days
Brand: MTH
Product Description

DHD 3.5 Down The Hole Rock Drilling Hammer DTH Hammer

 

 

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

 

Usage:

 

Rotation drill rig, air compressor and the “DTH drill string” are the essential unit for DTH drilling while the “DTH drill string” is always made up of DTH drill rods, DTH hammer and DTH bits. As one of key component, the DTH hammer acts as a role of converting the air pressure to the impact energy, simultaneously transferring impact energy and rotation force to DTH bits.

As specialist manufacturer and provider of DTH drilling tools, hereby we recommend our newest generation DTH hammer which is improved by absorbing art technology, selecting superior alloy steel and robust design. It is proved by more than thousands times of test that our newest DTH hammer has longer life , lower air consumption and 15% higher penetration speed compared the conventional DTH hammer in the market.

 

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Location No. 466 Zhongshan Road, Shijiazhuang, Hebei, China
Contact Person Nikolay

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