SINODRILLS Shank adapters Shank adapters are used for transmitting power from the rock drill to the drill stems. Generally there are male threaded shank dapters and femal threaded shank adapters. Male shank adapters are more popular than female shank adapter. Male shank adapters are generally suited for drifting, tunneling and extension applications where high stresses are present. Female shank adapters are used when the drilling space is limited. Top quality of alloy steels, CNC machining and advanced heat threatment ensure our reliable quality, We are able to offer a comprehensive range of shank adapters for different rock drills shown as below: Rock drill models: Atlas Copco, Boart Longyear, Furukawa, Gardner Denver, Ingersoll Rand, Joy, Montabert, Secoma, Tamrock, SIG, Soosan, etc; Thread sizes; R32, R38, T38, T45, T51