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Our M36 Nyloc Nuts are built for the most demanding applications, providing secure, vibration-resistant fastening in heavy-duty assemblies. The integrated nylon collar prevents self-loosening, even under intense dynamic loads. With a coarse thread pitch of 4.0mm and a 55mm across-flats dimension, M36 Nyloc Nuts are ideal for large-scale construction, bridges, turbines, and heavy engineering. Choose from a range of high-strength finishes, including zinc-plated and A4 stainless steel for maximum durability.