... Atlas Copco Cop131EB, BBE57; Furukawa M120, Drill Shank Adaptors/drill chuck adaptor/impact drill adaptors/R38, T38 threadMatching manchine: Atlas ... there are different drill machines, so different shank adapters are available, like Atlas Copco, Tamrock, Ingersoll Rand,etc. Also ... for the same drill machine, due to different applications, the ...