Premium Nylon Insert Lock Nuts (Nyloc) DIN 985 in zinc-plated steel, available in M3-M24. These hex nuts feature a nylon insert that grips the bolt to resist vibration and prevent loosening. They are reusable, protect mating threads, and perform in harsh conditions. Ideal for automotive, machinery, construction, electronics, and DIY projects. Easy to install on standard metric threads - hand tighten, then snug with a wrench. Meets DIN 985, ISO 7040, UNI 7473 standards.
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