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...
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...
Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is requir...
HSS Drill Bit with Weldon Shank (DNHX)1. HSS hole cutter, Weldon shank, with more stable clamping for stable cutting and finish of holes. 2. Additio...
Polycrystalline diamond compactCommon size: 803/908/1308/1313/1608/1613/1616/1908/1913/1916/1919Usage:1. For oil drilling2. For coal drilling3. For hard ma...
Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to j...