Home / Rock Drilling / Shank Adapter Shank Adapter Description The rock drilling shank adapter is a specialized component designed to connect the drilling rod to the drill bit. It serves as an intermediary piece, facilitating the transmission of rotation and impact force from the drill rig to the drilling tool. Category: Rock Drilling Description Related products Rock Drilling Coupling Rock Drilling Drill Rod Rock Drilling Threaded Button Bit – T38/45/51/R32 Rock Drilling Hydraulic Breaker