Our Marine-Grade A4 stainless steel Nyloc (nylon insert nuts) provide maximum corrosion resistance for salt-water marine environments.
The superior corrosion resistance of these A4 grade Nyloc nuts make them a great choice for sailing, motor boating and other water-sports applications. Also popular with 4x4 and off-roading enthusiasts. Use these where anti-vibration or resistance to loosening is required.