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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Downhole Drilling Tools Dth Hammer

Downhole Drilling Tools Dth Hammer

  • Downhole Drilling Tools Dth Hammer
Downhole Drilling Tools Dth Hammer
Product Details:
Place of Origin: Hunan, China (Mainland)
Brand Name: New Diamond
Certification: ISO9001:2008
Model Number: N series DTH hammer
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
Type: Hammer Processing Type: Forging
Use: Ore Mining Color: Required
Machine Type: Drilling Equipment Material: Alloy Steel
High Light:

downhole drilling tools


dth drilling tools


Downhole Drilling Tools Dth Hammer


With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

It also has the followingadvantages:

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


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


3. Low problem rate and easy to maintenance due 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.



Widely used in mines, quarries, earthworks and other engineering drilling blasting hole, guardrail hole, mountain reinforcement, anchorage and other engineering holes,geothermal exploration hole, Well bore and other fields.




N Series High Air Pressure DTH Hammers Without Foot Valve

Technical Data

Length(Without Bit) N100A N120A N125A
1545mm 1880mm 1880mm
Weight(Without Bit) 305.00kg 475.00kg 470.00kg
External Diameter Ø226mm Ø275mm Ø275mm
Bit Shank NUMA100 NUMA120 NUMA125
Hole Range Ø254-Ø311mm Ø305-Ø445mm Ø305-Ø445mm
Connection Thread

API5 1”/2REG

API6 5”/8REG

API6 5”/8REG

Working Pressure 2.0-3.5Mpa 2.0-3.5Mpa 2.0-3.5Mpa
Impact Rate at 17 Bar 20HZ 20HZ 20HZ
Recommended Rotation Speed 15-25r/min 15-25r/min 15-25r/min
Air Consumption






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.

The appearance of the picture is different from that of the actual product, and the actual product is the standard.

Downhole Drilling Tools Dth Hammer 0

N Series High Air Pressure DTH Hammers Without Foot Valve
Item Description Weight(kg)
N100A N120A N125A
1,Top Sub 59.00 70.00 70.00
2,“O” Ring Of Top Sub 0.03 0.04 0.04
3,Breakout Ring 0.50 0.80 0.80
4,Chenck Valve 1.40 2.00 2.00
5,Spring 0.30 0.10 0.10
6,Air Distributor 10.50 16.00 16.00
7,Internal Cylinder 12.50 25.00 25.00
8,Piston 77.00 113.00 113.00
9,External Cylinder 110.00 170.00 170.00
10,Guided Sleeve 4.50 25.00 23.00
11,“O” Ring Of Stop Ring 0.02 0.01 0.01
12,Stop Ring 1.90 4.50 4.00
13,Breakout Ring 0.50 0.80 0.80
14,Drive Chuck 25.50 48.00 45.00
15,Drill Bit 106.00 164.00 175.00

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.
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