*USED* Inner Hexagon Thin Socket Head Carbon Steel Galvanized Screw_M2.5*6_12.9

Compact, reliable, and ready for tight-space fastenings, this USED Inner Hexagon Thin Socket Head screw brings precision to every small-build project. Sized M2.5x6 with a 12.9-grade strength, it pairs a corrosion-resistant galvanized finish with a lightweight carbon steel core—delivering dependable performance where space is at a premium.

Key specifications

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  Size: M2.5 thread, 6 mm length
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  Head type: Inner Hex (Allen) Socket Head
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  Profile: Thin socket head for space-constrained assemblies
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  Material: Carbon steel
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  Finish: Galvanized coating for enhanced rust resistance
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  Strength rating: 12.9-grade high-strength fastener
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  Condition: USED

Ideal applications

• Electronics enclosures, compact robotics, and hobbyist assemblies where a low-profile fastener is essential
• Small machinery, RC models, drone frames, and precision fixtures that require a secure, space-saving mount
• Repairs or rebuilds where you need a cost-effective, dependable replacement screw without sacrificing strength

Why this screw stands out

The combination of a thin socket head and M2.5x6 dimensions makes it a practical choice for confined assemblies. The galvanized finish offers robust rust resistance in environments where moisture or humidity is present, while the carbon steel core provides reliable strength for everyday fastening tasks. With a 12.9-grade strength designation, this screw is engineered to resist loosening under typical vibration and load scenarios common in small-scale projects.

Tips for install and care

• Use a precision hex key (Allen key) sized for M2.5 fasteners, typically around 1.5–2.0 mm, to prevent rounding the head
• Engage threads fully but avoid over-tightening to preserve the integrity of both the screw and the mating component
• Inspect the mating threads for any debris or damage before installation to ensure a smooth, secure fit
• Store with similar fasteners to prevent mix-ups and maintain thread cleanliness for future projects

Whether you're upgrading a compact electronics project, refining a DIY enclosure, or stocking up for regular repairs, this USED INNER HEX Socket Head screw delivers space-efficient strength at a pragmatic price point. A practical choice for builders who value reliability, corrosion resistance, and precise fit in every small fastening task.