... supply all kinds of spare parts for rock drill riffle bar, riffle nut, chuck sleeve, etc. Pneumatic Drifter Spare Parts ( All ... parts for crawler drill, drifter, rock drill and so on.eg: Riffle bar, Riffle nut, Chuck sleeve, etc. crawler drill,crawller drill ... , koken,ybm, jumbo drill, shank,shank rod,shank adapter, striking bar, strike bar, accumulator, front head, back head, rotation motor