bore hole water drilling rig, bore hole water drilling rig ...
down the hole dth drill pipe API drill rod for water well drilling tools Size: 2 1/2'', 2 3/4'', 3'', 3 1/2'', 4'', 4 1/2'', 5'', 5 1/2'', 6'', 8'', 10'', 10 3/4''; Length: 1m-6m; Thread size: 2 3/8'API Reg, 2 7/8' API Reg, 3 1/2' API Reg, 4 1/2' API Reg, 2 3/8' API IF, 3 1/2' API IF; BECO 6'', BECO 8''; Wall thickness: 4mm-16mm; Other sizes and special DTH pipes can be available according to customer's drawing or samples.
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