... ; Knurl nuts; self-tapping threaded inserts; Blind rivets & rivet nuts, machine screws and washers. We also deal with various kinds of ... , slotted nuts, rivet nutWASHERS: flat washers, spring washers, lock washersSCREWS: machine screws, self tapping screws, set screws, hex socket head cap ... price.Welcome to you inqiury! Stainless steel Hex socket cup screw