*USED* Hexagon socket head carbon steel black zinc plated screw after-sales spare parts package-M5*20 K023

This USED Hexagon Socket Head Carbon Steel Black Zinc Plated Screw after-sales spare parts package - M5×20 (K023) is a practical, budget-friendly solution for quick replacements in your projects. Built as a ready-to-install set, it combines the reliability of a hex socket head with the durability of carbon steel and a protective black zinc finish. Each piece is part of a carefully inspected spare-parts package, designed to minimize downtime and keep your builds moving.

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  Size and fit you can trust – M5 thread with a 20 mm length ensures a precise, standard fit for a wide range of assemblies that use metric fasteners.
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  Hex socket head for clean, flush drives – Designed for an Allen key, providing a low-profile drive that sits neatly in brackets, electronics enclosures, and machine assemblies.
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  Durable carbon steel core – Delivers dependable strength for typical mechanical loads encountered in hobby projects, enclosures, and light-industrial repairs.
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  Protective black zinc plating – Enhances corrosion resistance and delivers a sleek, professional finish that blends with black hardware and anodized components.
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  Pre-inspected spare-parts package – Each screw is checked for clean threads and consistent drive recess, so you can trust performance right out of the package.
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  20-piece kit – A compact, ready-to-use supply for replacements, repairs, or stocking up your toolkit without overbuying.

Ideal use cases – Replace lost or stripped fasteners in modest-duty projects such as electronics enclosures, small machinery mounts, 3D printer frames, robotics modules, cabinet or furniture brackets, and DIY projects that rely on reliable M5 screws with a clean, finished look.

Why this kit stands out – It’s a value-backed spare-parts bundle that emphasizes consistency and accessibility. The M5×20 size is a staple in many kits, and the hex socket head plus black zinc finish offers both functional performance and a tidy aesthetic. Being a USED package, it delivers cost efficiency while still delivering solid reliability for common applications where high-end fasteners aren’t required.

Tips for best results – Store in a dry, low-humidity area to preserve the plating; use the correct size hex key (commonly 3 mm for M5) to avoid stripping the drive recess; engage threads fully before torquing to prevent cross-threading; and when replacing, compare the screw length to your original fasteners to ensure proper engagement and clearance.

Whether you’re building a hobby project, performing routine maintenance, or stocking a spare-parts kit for after-sales support, this M5×20 USED hex socket head screw set (K023) offers a reliable, ready-to-use solution that helps you finish sooner and with fewer interruptions.