... SWITCH, push button switches, illuminated pushbutton switches, with lamp 1. Installation diemeter: 8MM;contact:sillver with goldplating.2. operation: auto-reser and auto-lock ... button switch, emergency stop switch, buzzer, accessory and so on; ON sale installation diemeter : 8mm,10mm,12mm,16mm,22mm,25mm; HBE8 series illuminated ...