... leader, quality at first 2.Atc spindle motor with encoder can be customed. 3. Welcome to visit our factory ... 1)Spindle motors in the above chart are same series. They are both ATC type. 2)If you need ... for your choosing. 3)Collect size has BT series, HSK series,and ISO series. 4)The weight is light, so it ... contact me. Professional manufacturer! ATC spindle motor with encoder for milling, machine center