441 - 450 of 609
integral drill rods
Selling leads
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3 1/2''(89mm) E75 Drill Pipe for water well with thickness 9.35 or 11.4 mm, as API Standard Product introduction 1. OD: 3 1/2'' (88.9mm) 2. Thickness: ...
2026-06-20 00:21:37
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R25,R28,R32,R38,T38,T45,T51 Thread Crossover Drill CouplingDrill Couplings for Harding Rock Drilling
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... or based on customer requirements. MOQ: No MOQ required for testing and trial order Couplings sleeve are used to well connect the shank adapter to ...
2026-06-20 00:21:38
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T38 190mm Rock Drilling Tools Threaded Pipe Coupling Sleeve Couplings sleeve are used to well connect the shank adapter to the drill rods or well ...
2026-06-20 00:21:38
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...core barrel assemblies. The locking coupling serves multiple critical functions: adapting the core barrel outer tube to drill rods, securing the ...
2026-06-20 00:21:37
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... drifter rod, a coupling is required to join the adapter to the rod,ensuring the ends touch for efficient energy transmission. Couplings are also ...
2026-06-20 00:21:38
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... bit shape:spherical/parabolic (5)Socket inside diameter:15/19/22/25(mm) Application Widely used in drilling holes with
2024-12-09 18:01:27
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..., it consistsof rod, drill bit,coupling, plate, grouting stopper and nut. It has been widely used in tunnling, mining,slope stabilization, ...
2024-12-09 18:31:23
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...a stable rock formations, it consistsof rod, drill bit,coupling, plate, grouting stopper and nut. It has been widely used in tunnling, mining,slope ...
2024-12-09 18:55:12
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R32 Drill Pipe Coupling Rock Drill Coupling Sleeve For Connecting Extension Rod Coupling Describtion Threaded coupling sleeve are made of high quality ...
2026-06-20 00:21:38
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... air lift of the water and cuttings up the inner tube which is inside each rod. It reaches the deflector box at the top of the drill string then ...
2026-06-20 00:21:37
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