... , Torx, Square/Slot. etc.UsageAutomotive/ Car Thermostat, Switch, Electric Heating, Transformer, etc.TypePrecision nonstandard parts(OEM Service)CertificateISO9001 ... Bolt and nut is used on the electric motor, switch, air conditioner,auto car,air conditioner,household ... appliance,electric motor ,thermostat,switch.3.The materials of flanges are stainless ...