... the whole series products 4.High quality,Best p Taper Bushing: 1.Super high quality with lowest price 2.Good ... interchangeablity & high strength 3.Smooth surfaceTaper Bushing:1. European Standard Type: 1008, 1108, 1210, 1215, 1310, ... Material: Steel, Cast iron,GG254. Surface treatment: black, phosphateFeatures:1. Standard method for measureing keyseat depth.2. Excellent and high ...