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Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway
Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway
Specifications
Brand Name :
New Diamond
Model Number :
NM
Certification :
ISO9001:2008
Place of Origin :
Hunan, China (Mainland)
MOQ :
Negotiable
Price :
Negotiable
Payment Terms :
L/C, T/T, Western Union
Supply Ability :
According to order quantity
Delivery Time :
5-8 work days
Packaging Details :
Carton packaging and wooden box packing
Length(Without Bit) :
1005-1338mm
Processing Type :
Forging
External Diameter :
Ø99-185mm
Working Pressure :
1.2-2.0Mpa-1.5-3.0Mpa
Air Consumption :
1.0Mpa:5.0m³/min-2.4Mpa:28.0m³/min
Recommended Rotation Speed :
25-40r/min-20-35r/min-20-30r/min-15-25r/min
Description

Description

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of NM series DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service lifeof NM series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenancedue to simple, reliable and easy assemble and disassemble inner structure of hammer.

4. Easy to depart bit from hammer due to multi—head thread connecting chuck and cylinder of hammer.

5. Interchangeable with DTH bit and drill pipe

Applications

It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.

Specifications

Technical Data

Length(Without Bit)

 NM4A NM5A NM6A NM8A
1005mm 1110mm 1161mm 1338mm

Weight(Without Bit)

 40.00kg 68.50kg 90.00kg 176.00kg

External Diameter

 Ø99mm Ø126mm

Ø142mm Ø144mm

Ø146mm Ø148mm

 Ø180/Ø185mm

Bit Shank

 NM4 NM5 NM6 NM8

Hole Range

 Ø110-Ø135mm Ø155-Ø190mm Ø155-Ø203mm Ø195-Ø254mm

Connection Thread

 API2 3”/8REG

API2 3”/8REG

API3 1”/2REG

API2 7”/8REG

API3 1”/2REG

API2 7”/8REG

2 7”/8 IF

 API4 1”/2REG

Working Pressure

 1.2-2.0Mpa 1.3-2.3Mpa 1.5-2.5Mpa 1.5-3.0Mpa

Impact Rate at 17 Bar

 30HZ 28HZ 25HZ 22HZ

Recommended Rotation Speed

 25-40r/min 20-35r/min 20-30r/min 15-25r/min

Air Consumption

1.0Mpa:5.0m³/min

1.8Mpa:9.0m³/min

2.4Mpa:14.0m³/min

1.0Mpa:7.0m³/min

1.8Mpa:14.0m³/min

2.4Mpa:19.0m³/min

1.0Mpa:9.0m³/min

1.8Mpa:18.0m³/min

2.4Mpa:26.0m³/min

1.0Mpa:12.0m³/min

1.8Mpa:22.0m³/min

2.4Mpa:28.0m³/min

Feature Advantage

1. Price commitment: in order to ensure the high reliability of products, raw material selection are using grapefruit brand products; under the same competitive conditions, and not to reduce product technical performance on the basis of sincerity at a favorable price to customers.

2. Quality commitment: product manufacturing and testing have quality records and inspection data; the performance of the product can withstand customer inspection.

3. Customer service: in order to create new diamond brand, enhance the visibility of enterprises,establish corporate image, we serve customers with the principle of "preferential prices, good service, reliable product quality" principle.

Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway

Product tags

rock drilling tool

,

quarry rock drill

,

manual rock drill
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Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway

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Product Detail
Brand Name :
New Diamond
Model Number :
NM
Certification :
ISO9001:2008
Place of Origin :
Hunan, China (Mainland)
MOQ :
Negotiable
Price :
Negotiable
Contact Supplier
Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway

Hunan New Diamond Construction Machinery Co., Ltd.

Active Member
8 Years
hunan, yueyang
Since 2011
Business Type :
Manufacturer
Main Products :
DTH Hammer Bits, DTH Drill Bits, DTH Button Bits
Total Annual :
1,000,000-40,000,000
Employee Number :
100~300
Certification Level :
Active Member
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