RS PRO Bright Zinc Steel Nylon Insert Locknut DIN 985 M8 13mm Width 8mm Height 122-4373

RS PRO 122-4373 bright zinc steel nylon insert locknut DIN 985 M8 is a robust industrial fastener designed for applications requiring high tensile strength and reliable locking performance. Made from mild steel grade 8.8 and zinc plated, this locknut meets DIN 985 standards ensuring it withstands tension up to 800 N/mm². It provides excellent resistance to corrosion and rust, extending the durability in demanding environments.

The integrated nylon insert delivers 360° sealing effect, preventing gas and fluid leakage and maintaining secure fastening under vibration. This feature makes it particularly effective for use in heat exchangers, mechanical assemblies, and general industrial conditions.

Its nylon insert can tolerate temperatures up to +250°C, making it suitable for a wide range of industrial and mechanical engineering tasks. Typical usage includes railway construction, manufacturing plants, HVAC assemblies, and DIY motor applications requiring strong self-locking nuts.

The nylon insert provides a secure locking mechanism that resists loosening from vibrations. The bright zinc finish offers enhanced corrosion protection for extended product life. Constructed from steel grade 8.8 to meet stringent ASTM and DIN standards.

Thread size M8 ensures compatibility with standard metric fasteners. Dimensions of 13mm width and 8mm overall height support various mechanical fastening needs. Sealed nylon insert withstands exposure to water, oils, solvents, and organic acids.

Ideal for industrial, construction, and mechanical applications requiring durable fasteners.

The package includes small and large pack sizes for flexibility in purchase volume. Choose RS PRO Locknuts for dependable performance, trusted worldwide by engineers in mechanical, industrial, and commercial sectors.

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