Taper Bushing: 1.Super high quality with lowest price 2.Good interchangeablity & high strength 3.Smooth surface Taper Bushing:1. European Standard Type: 1008, 1108, 1210 ... , 1215, 1310, 1610, 1615, 2012, 2517, 3020, 3535, 4040, 4545, 5050.2. QD type: JA, SH, SDS, SD, SK, SF ...