R25 R28 R32 R38 T38 T45 T51 coupling sleeve for top hammer drilling Threaded coupling sleeve are made of high quality of alloy steels and CNC machining guarantee our reliable and consistent quality control of ... Read More
Top Hammer Drill Tools R32-T38 Threaded Rod Coupling Sleeve With 190mm Length Coupling sleeve Coupling sleeves, other name is Coupling, when using rock drills with male shank adapters and a conventional drifter ... Read More