Prevailing torque type hexagonal thin nut with non-metallic insert ISO 10511 Steel Zinc plated with thick Cr(III) passivation 04

This low-profile nylon insert lock nut meets ISO 10511 standards. Made of steel, it features a zinc-plated finish with a thick Cr(III+) passivation layer, making the surface treatment well-suited for long-term outdoor use. The nut has metric threads and falls under strength class 040. This strength class designates a thin jam nut with reduced load capacity, primarily used to keep other nuts from vibrating loose.