Casing Tubes:Miracleland supplies Metric Casings, Flush-Jointed Casings and Flush-Coupled Casings.Casing thread: 4 threads per inch.Casing length: generally supplied with le...
KEENTOOL offers different size of diamond core drill for drilling granite, marble, concrete and wall. With years of research and application of diamond core drill bits, ...
Casing Tubes:Coupled type casing tubes have a box thread at both ends and are connected together by a pin-to-pin coupling. This allows coupl...
HSS Step Drill Bitsstraight flute 3flat shankStep Drill Bits are perfect for drilling multiple-size holes in thin sections of metal, plastic and wood using...
Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is requir...
Beijing superior Drilling Equipment Co., Ltd is a comprehensive enterprise set PDC bits, tricone bits production sales. The company was founded in 1989, covers an are...
1. Tricone bit cutting structureAdopting new formula of new technology of the high quality hard alloy tooth, enhance the cutting teeth mechanical properties.2. T...