down the hole hammer bit dhd 350

Brand Name:MIROC

Model Number:QL60, SD40-80, CIR90, DTH340 ETC

Place of Origin:Shan Dong China(Mainland)

...Bit / DHD 350 Dia140mm DTH 355K DTH Hammer Product Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the piston is in direct contact with the drill bit, little energy is lost. This gives DTH drilling a nearly constant penetration rate regardless of hole length. DTH bits are paired with their corresponding hammers (by drilling hole

Brand Name:SOLLROC

Model Number:DHD360 shank

Place of Origin:China

High Pressure Conventional Down The Hole Hammer Shank DHD360 For Well Drilling DHD360 Hammer is our most salable hammers. Products specifications: Shank DHD360 Length (less bit) 1248mm Outer diameter 146-148mm Top sub thread API 3 1/2" REG pin Weight (le...

Brand Name:ROSCHEN

Model Number:ROS54

Place of Origin:GERMANY CHINA

...Hammer DHD 350 Down The Hole Hammer DHD 350 Down The Hole Hammer Used in Metallurgy , Coal , Chemical , Building Materials Drilling Basic Info Model NO D55C DHD350Q Mining Object Mining Origin Germany,China Type Drilling Machine Trademark Roschen HS Code 84123100 Mining Object Mining, Ore Machinery, Stone Quarry Usage Use Together with DTH Button Bits...

Brand Name:MTH

Model Number:DHD 350 Dth Hammer

Place of Origin:CHINA

...DHD 350 Dth Hammer Hard Rock Drilling DHD 350 Dth Hammer Description: “DTH” is the short for “Down The Hole” and sometimes it is also called “RAB” in some markets, “RAB” is short for “Rotary Air Blasting”. DHD 350 Dth Hammer Application: Be used for drilling in mining, quarrying, exploration,geothermal, and construction / geotechnical projects DHD 350 Dth Hammer Specifications: Technical Data Length(Without Bit...

Brand Name:MIROC

Model Number:DHD hammer

Place of Origin:China

...Hammer with model DHD 3.5/340/350/360/380/1120 for quarries drilling Product Description The optimum range of hole size for blast hole drilling with DTH is 90 mm to 254 mm (3 ½"–10"). Smaller blast holes are generally drilled using tophammer, and larger holes generally use rotary machines. In other applications, like foundation drilling, DTH hammers can be used with single bit in hole...

Brand Name:Kinglong

Model Number:3inch, 4inch, 5inch, 6inch

Place of Origin:Wuhan

DTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to enable the drilling by crushing the rock. Drilling method by DTH hammer exerts ...

Brand Name:JCDRILL

Model Number:All Models

Place of Origin:China (Mainland)

DHD 3.5 340 350 360 380 DTH Rock Drill Bits For Quarry Mining Water Well Drilling JCDRILL DTH Drill Bits Description DTH Drill Button Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance. DTH hammer bits are designed for maximum performance and hole...