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DHD3.5 High Quality China Manufacturing DTH Hammer

Xiamen Prodrill Equipment Co., Ltd
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[China] country

Address: Room1007 Shan Hu Ge Builing,Robinsin Galleria 895, Xia He Road, Xiamen, China

Contact name:Simon Hu

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Xiamen Prodrill Equipment Co., Ltd

DHD3.5 High Quality China Manufacturing DTH Hammer

Country/Region china
City & Province xiamen fujian
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Product Details

It is a kind of high air pressure DTH Hammer without foot valve and without valve, our newest design. It is also one of the most advanced DTH Hammers in the world.
We manufacture DTH Hammers in different sizes ranging from 1 to 12. These hammers are made corresponding to Drilling Bits to carry out prevalent objectives. These hammers are used in various down the hole operations like bench Drilling. These are valve less hammers with optimized air cycle frequency. These are heavy duty hammers that well at greater depths demanding less air usage, delivering minimum performance loss. 
We offer IR hammer, DHD3.5, DHD340a, DHD360, DHD380,COP and QL hammer.The optimum range of hole size for blast drilling with DTH is 90mm to 254mm,smaller blast holes are generally drilled using top hammer, and larger holes generally use rotary machines. Our hammer like COP and QL are known fort heir reliability and longevity. 

Specification:

External Diameter (mm)

Connection thread

Hole rang (mm)

Low air pressure DTH hammer CIR type

50~180

CIR**

55~200

Middle air pressure BR & COP type

70~110

 

85~115

3 inch DTH hammer
COP34/QL30 etc

81

API 2 3/8” Reg

90~110

4 inch DTH hammer
COP44/DHD340 etc

99

API 2 3/8” Reg

110~150

5 inch DTH hammer
COP54/Mission50 etc

125

API 2 3/8” or API 3 1/2” Reg

135~165

6 inch DTH hammer
COP64/QL60 etc

142

API 3 1/2” Reg

152~216

8 inch DTH hammer
COP84/SD8 etc

180

API 4 1/2” Reg

203~305

10, 12inch DTH Hammer
NUMA 100, NUMA 125

275

API 6 5/8 Reg PIN

305-445

1-12 inch middle-low/high air pressure DTH hammer & bit 
Big hole high air pressure DTH hammer using in water well, oil, gas and construction drilling 
Eccentric overburden drilling Equipment 
Hole opener bit 
Rock thread bit 
Shank adapter, coupling sleeves and all kinds of adapters 
Advantages:

Compared with the oversea brands, our advantages are bellowing:
a. Our products can match over 95% against the original products
b. Price are competitive against the famous brands and best quality against the small factory


















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