Marine Grade Stainless Steel Nylon Insert Hex Lock Nuts, A4 (316) DIN 985 - Metric Coarse

Marine Grade Stainless Steel Metric Nylon Insert Lock Nuts A4 (316) Stainless Steel | DIN 985 Our Marine Grade Metric Nylon Insert Lock Nuts are made from premium A4 (316) stainless steel, designed to offer superior corrosion resistance, especially in marine and high-saline environments. The integrated nylon collar deforms elastically over the screw threads to create a secure, friction-based lock, making these lock nuts an ideal choice for harsh environments where reliability is key. These lock nuts are compliant with DIN 985 standards and offer long-lasting performance under extreme conditions, including exposure to saltwater and chemicals. Key Features Marine Grade A4 (316) Stainless Steel: Designed for maximum corrosion resistance, perfect for use in marine environments. Friction-Based Nylon Insert: The nylon insert deforms over the screw threads, increasing friction and resisting loosening under vibration. Temperature Resistance: Maintains locking ability up to 250°F (121°C).