Metal Screw Caps – Waterproof Steel Covers for Furniture & Roofing

Metal Screw Caps – Waterproof, Corrosion-Resistant Steel Covers

Keep your screws protected and your surfaces looking clean and professional with these heavy-duty metal screw caps. Made from galvalume steel, these compact cover caps are designed to seal screw holes against moisture, rust, and corrosion — making them ideal for indoor furniture, outdoor roofing, cabinetry, wood upholstery, and general DIY or industrial assembly projects. Available in packs of 5, 10, 50, or 100, so you always have the right quantity on hand.

Made in Mainland China.

Key Features

• Corrosion-Resistant Galvalume Steel: Specially treated to resist rust and weathering, keeping screws protected even in changing outdoor conditions.
• Waterproof Seal: The fitted cap blocks rainwater and moisture from seeping into screw holes, preventing long-term erosion and structural damage.
• Restore a Neat Finish: Perfect as replacement parts for worn or exposed screw fittings — restores a tidy, professional appearance quickly and easily.
• Solid Metal Construction: Sturdy build ensures a tight, secure enclosure after installation for stable, long-term use.
• Compact & Versatile Size: Each cap measures approximately 3.5 × 3.5 × 1 cm (0.5 mm thickness) — a compact dimension that fits a wide range of home improvement and industrial applications.
• Multi-Pack Options: Choose from 5, 10, 50, or 100 pcs to suit small repairs or large-scale projects.

Specifications

Applications

• Roof panel screw protection (outdoor weatherproofing)
• Furniture and cabinet screw concealment
• Wood upholstery and decorative finishing
• Industrial assembly and construction projects
• General home improvement and repair

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Safe & Reliable Hardware

When choosing hardware for home or outdoor projects, it's important to select corrosion-resistant materials that meet safety standards. For guidance on safe construction and home improvement practices, visit the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Screw cap

Frequently Asked Questions

Q: What material are these metal screw caps made from?

A: These screw caps are made from galvalume steel — a corrosion-resistant alloy that combines the strength of steel with enhanced rust and weather protection, making them suitable for both indoor and outdoor use.

Q: What size are the screw caps and will they fit my screws?

A: Each metal screw cap measures approximately 3.5 × 3.5 × 1 cm with a thickness of 0.5 mm. This compact size is compatible with a wide variety of standard screws used in furniture, cabinetry, roofing, and general woodworking projects. If you are unsure about fit, please contact us before ordering.

Q: Are these screw caps suitable for outdoor use?

A: Yes! The galvalume steel construction is specifically designed to withstand changing outdoor weather conditions. The caps create a waterproof seal over screw holes, preventing rainwater intrusion and shielding against corrosion and erosion over time.

Q: How many pcs come in a pack?

A: These metal screw caps are available in pack sizes of 5, 10, 50, or 100 pieces — so whether you need a small batch for a quick repair or a bulk supply for a large installation project, we have the right option for you.