M4-M12 Hex Nut Cover Caps in Black & White – Durable PE Plastic Dome Covers for Bolts

Upgrade your hardware projects with these versatile hex nut cover caps, available in sizes M4 to M12 and classic black or white finishes. Made from durable PE plastic, these dome-shaped covers protect exposed nuts from corrosion, dust, and sharp edges while giving your assemblies a clean, professional look. Perfect for DIY enthusiasts, automotive repairs, furniture assembly, and industrial applications. The snug fit ensures secure coverage without slipping, and the lightweight design won't add bulk. Sold as an assortment kit for convenience, these nut covers are an affordable way to enhance both safety and aesthetics in your mechanical projects.