... size:1/4"--3/4" material : carbon steel , stainless pin edge nutssize:1/4"--3/4",M4--M20standard:din, IFI ... , heavy hex nuts, hex flange nuts, nylon insert lock nuts, cap nuts, slotted nuts, rivet nutWASHERS: flat washers, spring washers, lock ... : machine screws, self tapping screws, set screws, hex socket head cap screws, wood screws, self drilling screwsChain and cable