sollroc 4inch down the hole DTH hammer

  • Brief info:sollroc 4inch down the hole DTH hammer, US $ 300 - 800 / Piece, Hunan, China, SOLLROC, DHD340/COP340,SD4,QL40.Source from Changsha Sollroc Engineering Equipments Co., Ltd. on Alibaba.com.
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Product Introduction


Our hammer and bits are made of high quality alloy steel with advanced heat treatment to assure the good drilling performance and long service life.,all the products are manufactured as per the international standard. They are widely used by our customers all over the world



Technical Parameters

Shank

External diameter(mm)

Top Sub Thread

Hole range (mm)

Working pressure (Mpa)

Recommended rotation speed (r/min)
DHD340/COP340
99mm
API2 3/8'' REG
110-135
1.0-2.5
25-40
SD4
99mm
API2 3/8'' REG
110-135
1.0-2.5
25-40
QL40
99mm
API2 3/8'' REG
110-135
1.0-2.5
25-40
Product Features


1.good sealing effect to prevent water and rock cutting entering to the hammer

2.high impact power

3. reliable and stable performance

4.simple structure, easy to maintain and disassembly

5. Average drill speed


Company Introduction


1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 10 years.

2. We have advanced technology and equipment.

3. Our technician has more than 13 year's professional working experience.



Detailed images
Delivery & Package

Delivery

By sea,   By air or By Express



Package


Ply-wooden cases

Ply-wooden cases + pallet

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