Steel Core Tubes for Diamond Core Drill Bits.
A full range of working length, diameter.All kinds of connection/thread.
Available working length 300mm, 350mm,400mm, 420mm, 450mm,470mm,500mm and 1000mm.
Available diameter from 10mm to 600mm.
Available connections or thread in 1/2″BSP, 1-1/4″UNC, PIXIE, M16, M22 and ect.
Other specifications & sizes are available upon request.