{"title":"Hex Nuts","description":null,"products":[{"product_id":"nut-insert-locking-coarse-thread-1w260824chcvo44z","title":"3\/8'-16 Serrated Flange Nuts (1,900 Case) – Grade 8 Mechanical Locking Nuts Coarse Thread for Vibration \u0026 Shock SAE J995 0.375'","description":"\u003cp\u003e\u003cspan\u003eThese 3\/8'-16 Serrated Flange Nuts provide SAE Grade 8 mechanical locking performance without nylon inserts. The serrated flange grips the mating surface to resist loosening caused by vibration and shock. Ideal for trailers, frames, off-road equipment, and structural assemblies, these nuts combine load distribution and locking action in a single all-metal design. Yellow Zinc coating. 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