what is the meaning of dth

Brand Name:MIROC

Model Number:12 Inch

Place of Origin:CHINA

...h the strongest support network in the industry, regardless of your equipment needs. It means that you can look to one reliable and time tested source for all your equipment needs. The optimum range of hole size for blast hole drilling with DTH is 90 mm to

Brand Name:MIROC

Model Number:Drilling Dth Pipe

Place of Origin:Shangdong,China

... and bits, as well as offer pass for the air flow. In principle, the lighter the rod is, the better it is for the drilling operation. So a thinner one is always preferable than a thicker one if other parameters were the same. While in the mean time,

Brand Name:SOLLROC

Model Number:SD6

Place of Origin:China

...DTH drilling, the drill string rotates while the drilling hammer continuously strikes down into the rock. Inside the hammer, a piston powered by compressed air gives the drill bit its striking power. This combined with the rotational movement means the rock is crushed in a very efficient manner. Sollroc can supply DTH hammer and bits from 2"-18" with type DHD, SD, QL, Mission,Numa, etc. 6 in DTH...

Brand Name:ROSCHEN

Model Number:2 3/8", 3 1/2"

Place of Origin:CHINA

... Drill Rod It is also be called API Reg Thread Drill Pipe Standard DTH drill pipe: Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm, Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, ...

Brand Name:Glorytek

Model Number:D470C(D470D)

Place of Origin:China

.... The recommended DTH hammer size for this machine is 5"/6", giving you the power you need to get through even the toughest rock formations. The drill pipe length for our Surface Drill Rig Machines ...

Brand Name:EGT

Model Number:17 1/2 PDC Drill Bit

Place of Origin:China

PDC Drilling Bit 17 1/2 Inch 7 Blade PDC Cutter Of Drilling Rig Bit 1 . Descriptions: What does PDC mean in drilling? Polycrystalline diamond materials, for use in polycrystalline diamond compact (PDC) bits, are one of the most important material advances...

Brand Name:MING

Model Number:MZ0732-7

Place of Origin:CHINA

.... Compared with taper chisel bits, taper cross bits have a better drilling performance because carbide tips on cross bits doubled, which means carbides shape are