Block sets, taper interlocks,centring elements Material:YK30 , SKD61.SKD11 Without MOQ Low price as well as high quality Block sets, taper interlocks,centring elementsMaterial:YK30 , SKD61.SKD11Without MOQLow price as well as high quality Mainly services: 1.High precision Thread shaft for optical 2. Screw thread core pin and components for cavity interchangeble PET bottle 3. Core pin ,insert pin ...