Dacromet Screw 1.Standard:DIN,ANSI,BSW,JSB,ISO 2.Material:carbon ... : hex nuts, heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nutWASHERS: flat washers, spring ... washers, lock washersSCREWS: machine screws, self tapping screws, set screws, hex socket ...