dth hammer bits online manufacture

4' ODEX140 Casing System With Casing OD168mm Black Color Long Service Life Product Introduce Our down-hole air hammer system that is designed to advance casing during drilling, this allows us to reached the ... Read More

Odex115 Eccentric Overburden Drilling System For Bridge And Building Foundations Product Description Casing drilling involves drilling and casing a well simultaneously through unstable ground conditions, In ... Read More

Loose ground drilling Symmetrix Casing Drilling System 6 Inch Casing Product Specification: Application Range: It is suitable for Sand , clay and gravel with pebble. Outer Dia. of Casing Tube Inner Dia. of ... Read More

Overburden Concentric Casing Drilling System With Side Blocks Product Specification: Concentric casing system with block is a revolutionary new bit design with wings that extend out larger in diameter than the ... Read More

Jaws Overburden Casing Driling Systems with 2 - 4 Wings Product Specification: The symmetric system with Jaws Overburden Bit is a revolutionary new bit design with wings that extend out larger in diameter than ... Read More

Overburden Concentric Casing Drilling System with 2 or 3 Wings Product Specification: Concentric Overburden Casing System: With ring bits, with wings and with slide blocks. others, Concentric (or Symmetrix) ... Read More

Rotary Wings Eccentric Concentric Overburden Casing Drilling System Product Specification: Concentric Overburden Casing System: With ring bits, with wings and with slide blocks. others, Concentric (or Symmetrix... Read More

Eccentric Overburden Casing Drilling ODEX Drilling System for well drilling Product specifications: Model Casing sizes Min. inner dia. Of casing shoe Reaming Dia. Hammer shank Drill pipe Max. OD Min. ID Thread ... Read More

Product description In Top Hammer Drilling the hammer produces a percussive force on the drill rods or tubes, which is transmitted to the drill bit. The feed device is usually attached with a hinged boom to a ... Read More

ODEX System Eccentric Overburden Casing Drilling System For Water Well Drilling Product specifications: 1. drill in overburden unstable rock 2. one step to drill and follow casing 3. flexible to open or close 4... Read More