... Studs, Nuts, Tapping screws, Wooden screws, Washers/Gaskets, Check rings, Pins, Rivets and etc.2. by head typesFlat, Oval, Binding ... , PF, Pan washer, Cheese, Countersunk, Fillister, hexagon, Hexagon washer head, Hexagon socket button head and etc.3. by type of drive insertsPhillilps, Slotted ... service.We can process standard and non-standard screws of different materials and surface treatment that are ...