Feature designed with metal platform suitable for fastener size between M3~M20 and auto parts inspection spec: auto parts, larger screw and ODM special customize size Inspection criteria Our AOI machines are different from old style index plate, continues rotating platform operating smoothly, avoid the problems of bumping and slow inspecting speed occurred on go-and-stop index style machine. Inspection criteria Our AOI machines are different from old style index plate, continues rotating platform operating smoothly, avoid the problems of bumping and slow inspecting speed occurred on go-and-stop index style machine.