Nylon Insert Lock Nuts SAE Zinc Multiple Sizes & Packs (50, 1/2-20)

Full Nylon Insert Locking Mechanism Prevents loosening from vibrationideal for vehicles, machinery, and high-vibration assemblies. | High-Strength Steel Construction SAE Grade 8 ensures exceptional holding force and wear resistance. | Yellow Zinc Plating Protects against rust, corrosion, and harsh environmentsgreat for automotive and outdoor equipment. | Coarse, Fine & Extra-Fine Threads Compatible with a wide range of OEM hardware and aftermarket repairs. | Meets Industry Standards SAE: ASME B18.16.6