Shars 15 PC 1/8~1” x 16ths 5C Collet Set + Spin Index Fixture New R[
Shars Inside thread1.041x24RH, outside thread 1.238X20RH；MSC Inside thread1.041x24RH, outside thread 1.242X20RH. Shars Precision within 0.0006" TIR 1" from face；MSC Precision within 0.0005" TIR 1" from face.