... speed stamping -Automatic welding or riveting -Longlife time 1,generator stator rotor2,Material: Silicon steel ,Stainless steel , Iron3,size:32 ... you?Mainly Motor Parts (including DC brushed motor commutator, BLDC motor commutator, AC series motor commutator, FHP motor commutator, PSC motor commutator, shaded pole motor commutator, ... motorsOther silicon steel iron cores for motors generator stator