Product name: 4inch high air pressure DTH rock hammer with DHD340 shank for mining

Product category: Drilling rig accessories

Matched hammer: Hammer COP44

Connection thread: API 2 3/8 REG

Working pressure(bar): 10~25

Outer diameter(mm): 99

Weight(KGS): 40.7

Bit diameter recommend(mm): 115~130

Kingdrilling DTH hammer feature:
1. Patented innovation to ensure maximum energy transfer

2. Simplified design for easier servicing and higher reliability

3. Hardened wear sleeve for wear resistance even in abrasive conditions

4. Multi-start threads on backhead and chuck for easy coupling/uncoupling

5. Specialised heat-treatment hardening for critical components for maximum longevity

4inch high air pressure DTH rock hammer with DHD340 shank technical parameters:

How to order?
Shank Type + Top Sub Thread + (With/Without Valve, if this parameter is optional)

FAQ:

1. What is rock drilling?

Rock drilling tools include those used for oil and natural gas exploration, mining, construction, and all other industrial operations that need to excavate or drill through natural rocks, concrete, and masonry.

2. What is the weakest rock in the world?

Loess is formed from fine (small) grained, windblown sediment in glacier or desert areas. Loess is made of mostly silt but may also have some small amounts of sand and clay. The major mineral present is quartz with minor amounts of feldspar, calcite, dolomite, and clay.

3. What is DTH bit?

Down-the-hole (DTH) hammer bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground.

MORE INFORMATION:

Wuhan Kingdrilling Diamond CO., LTD, located in Wuhan East Lake High-tech Development Zone, is one of the most professional private enterprise specialized in researching and producing ODEX casing drilling system, symmetric casing drilling system, DTH hammer, DTH drill bits, Thread bits, Shank adapter, Drilling rods, Coal mining tools, Coupling sleeve, Anchoring and so on.

Relying on the university resources and talent advantages in Optical Valley region, combining with multiple laboratories in universities, we focused on developing the newest products system.

We produce DTH drilling tools with advanced technology from Britain, a completed manufacturing system has been formed in plant. The company is equipped with advanced production facilities including electron-hydraulic forging hammer, multipurpose furnace heat treatment production line, high performance CNC machines, all processes from raw materials prepared, forging, heat treatment, metal processing are completed in the factory. Strict quality control standards make sure stable quality.

Whatever in construction, engineering, piling, waterwell drilling, tunnelling, mining, quarrying or horizontal drilling industry. KINGDRILLING will always do the best to meet your demands. "Kingdrilling, Keep On Striving",  we’ll always be in this line to serve our customers the most reliable products and the best support.