... is one of the top level electric motor combination screw manufacturers and supplier China, we export advanced ... customized electric motor combination screw, welcome to contact us.product specificationsItem.NOHHC ... , Button, Hexagon, Truss, etc.Screw DriversPhillips, Slotted, Torx, Square/Slot. etc.UsageAutomotive/ Car Thermostat, Switch, Electric Heating, Transformer, ...