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High Air Pressure ND55 DTH Hammer with DHD350R Shank and 1214mm Length for Rock Drilling

Categories DTH Hammer
Brand Name: MTH
Model Number: ND55 DTH Hammer
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: ND55 DTH Hammer
Length: 1214mm
Connect thread: API 2 3 / 8 " REG
Weight: 76.5kg
Bit Shank: DHD350R
Color: Customized
Material: Carbon Steel,Tungsten Carbide
Process: CNC
Application: Rock Drilling,quarry,mining
Advantage: High Performance,High Wear Resistant,High-efficiency
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High Air Pressure ND55 DTH Hammer with DHD350R Shank and 1214mm Length for Rock Drilling

High Air Pressure ND55 DTH Hammer DHD350R Shank 1214mm Length


Description Of ND55 DTH Hammer:


A down-the-hole drill, usually called DTH by most professionals. Sometimes it is also called “RAB” in some markets, “RAB” is short for “Rotary Air Blasting”.


Specification Of ND55 DTH Hammer:


ND55 DTH Hammer

Length(Without Bit)

1214mm

Weight(Without Bit)

76.50 kg

External Diameter

125mm

Bit Shank

DHD350R/COP54

Hole Range

135-155 mm

Connect ion Thread

API 2 3/8”Reg, API 3 1/2”Reg, API 2 7/8”Reg

Working Pressure

1.3- 2.3 Mpa

Inpact Rate at 17 Bar

25HZ

Reccfurended Rotation Speed

20-35 "min

Air Consunption

1.0Mpa : 9m3/min

1.8Mpa: 15m3/min


2.4Mpa: 23m3/min


Usage Of ND55 DTH Hammer:


Mining

Mineral exploration


Advantage Of ND55 DTH Hammer:


High performance

Cost-effective

Long life


Package Of ND55 DTH Hammer:


Wooden case



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