*USED* Hex socket head screws with blue and white zinc plating and nuts after-sales spare parts package-M3*20 K023

USED Hex socket head screws with blue and white zinc plating and nuts in an after-sales spare parts package — M3 x 20, model K023. This compact fastener set is designed to be ready-to-use for quick repairs, hobby projects, and maintenance tasks, delivering dependable performance even after it's left the factory floor.

Why you’ll reach for this M3 x 20 set

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  Precise sizing — M3 x 20 screws paired with matching nuts provide a clean, secure fastening for compact assemblies, electronics enclosures, RC models, 3D printer frames, and small machinery.
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  Distinctive plating — blue and white zinc plating offers added corrosion resistance and a two-tone finish that helps you color-code or visually distinguish fasteners in multi-part builds.
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  Practical condition — this is a USED bundle, offering a budget-friendly option for non-critical applications while still delivering reliable performance when inspected and prepared for reuse.
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  All-in-one spare parts package — includes hex socket head screws and nuts in a single, convenient package labeled with the K023 code, designed for easy inventory and quick replacements.
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  Ideal for a wide range of projects — perfect for DIY electronics, maker projects, repair kits, and lightweight assemblies where a compact, secure fastener is required.

Useful tips for best results

• Use the correct Allen key to avoid stripping the socket and ensure a snug fit without over-tightening.
• Inspect threads before reuse; clean and lightly lubricate if needed to restore smooth installation.
• Pair with compatible materials (aluminum, mild steel, or certain plastics) and check for any material compatibility issues that might affect long-term hold under vibration.
• Keep a spare nuts-and-screws bundle on hand in case of future maintenance or expansion of your project.

With the K023 after-sales spare parts package, you get a practical, cost-conscious solution that keeps your builds flowing. Whether you’re stocking a toolbox, outfitting a classroom maker space, or finishing a small repair, this M3 x 20 hex socket head screw set with nuts offers dependable performance and quick accessibility when you need it most.