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Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.

Hunan New Diamond Construction Machinery Co., Ltd.

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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

  • Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway
Rock Mining Tools Down The Hole DTH Hammer For Quarry / highway / railway
Product Details:
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: NM
Payment & Shipping Terms:
Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: Carton packaging and wooden box packing
Delivery Time: 5-8 work days
Payment Terms: L/C, T/T, Western Union
Supply Ability: According to order quantity
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Detailed Product Description
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
High Light:

rock mining tools

,

oil drilling tools

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.

 

 

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Contact Details
Hunan New Diamond Construction Machinery Co., Ltd.

Contact Person: Rick.liao

Tel: +8618692219720

Send your inquiry directly to us
Hunan New Diamond Construction Machinery Co., Ltd.
PinJiang Industry Park,PingJiang county,YueYang City,Hunan,China.
Tel:86-731-89708248
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