... : Atlas Copco Cop131EB, BBE57; Furukawa M120, Drill Shank Adaptors/drill chuck adaptor/impact drill adaptors/R38, T38 threadMatching manchine: Atlas Copco Cop131EB ... different spare parts, for example, for taper drill rods and taper drill bits, taper degree is one way. While ... . Sinodrills shank adapters are compatible with most popular drill machines in the world.Thread DrifterLength(mm)Weight(kg ...