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...Drill Rod Adapter DTH Drilling Tools Thread Male Adapter Coupling Description In DTH drilling, the rock drilling bit is a continuation of the shank, which the rock drill piston strikes directly. Since the pi...
...hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time. The eccentric designed bit rotates outward and drills a larger diameter hole than th...
...hole is required. Collapsing holes tend to make overburden drilling expensive, with lost drilling equipment and down time. The eccentric designed bit rotates outward and drills a larger diameter hole than th...
... 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. Specifications Female A Male ...
... in full length with best material quality. Slick Drill Collar: we can produce from 2 7/8’’ OD to 14’’ OD drill collar with API, Non API, or special connections. Spiral Drill Collar: we can produce three rig...
...Drilling Jar 4 3/4''~8'' for Different Well Conditions Hydraulic drilling jar integrates upward jarring with downward jarring. It is a hydraulic type drilling jar, which is used in all kinds of well conditio...
...drill rod / pipe for well drilling Introduction: Geological drill pipe is a kind of geological drilling tool designed and produced by friction welding process of geological alloy steel pipe. The geological d...
... bottom plate thickness:40/50mm -Teeth type:V19 or V20 Specification: Technical Specification of Three Wing Belling Bit Size Drilling dia(mm) Belling Dia(mm)...
...Drilling Tool Fishing Bumper Sub 4 3/4''~8'', Releasing Tool Fishing bumper sub is a mechanical jarring tool. It can repeatedly jar for stuck drill stem, make stuck point loose and release, when lifting and ...
R32 12Drill Bit Shank Rock Drilling Tools For Underground Mining Description This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to th...