This page shows the following types of locking fasteners: blind nut style, blind standoff style, square chassis fasteners, extension nuts, stainless steel (S.S.) extension nuts with spline, straight shank flush nut style, tapered shank flush nut style, flush standoff style, knurled standoff style, minature knurled, press nut steel with spline, stainess steel press nut with spline, reverse flush standoff styles, blind press studs, stainless flush studs, & concealed head studs. We provide locking fasteners in 300, 303, 7075-T6, aluminum, brass, carbon, steel & stainless steel.