Factory wholesale Concentric Driling System - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank – Spark

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Our eternal pursuits are the attitude of regard the market, regard the custom, regard the science as well as the theory of quality the basic, have confidence in the very first and management the advanced for Valveless Dth Hammer, Blast Hole Drilling Hammer, Blast Hole Drilling Bit, We have confident that we can provide the high quality products at resonable price, good after-sales service to the customers. And we will create a bright future.
Factory wholesale Concentric Driling System - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank – Spark Detail:

Specifications

Brand Name SPARK
Product model DHD380 QL80 SD8 Mission80
Application Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement
Thread API 4 1/2″Reg Pin
Outer diameter 185mm
Shank DHD380 QL80 SD8 Mission80
Hole size 203~254mm (standard)>254mm (oversize)
Air pressure Max 30bar
Air consumpation 28m³/min(18Bar)
Rec. rotary speed 25~50 rpm
Weight 179kg~182kg

8inch DTH hammer(2)

ITEM DESCRIPTION

NO

PART LIST

1

TOP SUB (can add carbides)

2

TOP SUB RING

3

CHECK VALVE

4

SPRING

5

SHOCK RING

6

AIR DISTRIBUTOR

7

INNER CYLINDER

8

PISTON

9

OUTER CYLINDER

10

BUSH DRIVE SUB

11

O RING

12

BIT RETAINING RING

13

CHUCK SLEEVE

Application

Mining, water well drilling

8inch DTH hammer(3)
8inch DTH hammer(4)

Why Choose Us

1. Professional R&D team

Application test support ensures that you no longer worry about multiple test instruments.

2. Product marketing cooperation

The products are sold to many countries all over the world.

3. Strict quality control

4. Stable delivery time and reasonable order delivery time control.

We are a professional team, our members have many years of experience in international trade. We are a young team, full of inspiration and innovation. We are a dedicated team. We use qualified products to satisfy customers and win their trust. We are a team with dreams. Our common dream is to provide customers with the most reliable products and improve together. Trust us, win-win.


Product detail pictures:

Factory wholesale Concentric Driling System - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark detail pictures


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Good quality comes initial; company is foremost; small business is cooperation is our business philosophy which is frequently observed and pursued by our business for Factory wholesale Concentric Driling System - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank – Spark , The product will supply to all over the world, such as: Provence, Rwanda, Bhutan, We always insist on the management tenet of Quality is first, Technology is basis, Honesty and Innovation.We are able to develop new products continuously to a higher level to satisfy different needs of customers.
  • Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Carey from Florence - 2018.06.09 12:42
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Hedda from Plymouth - 2017.01.28 19:59
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