Metal Screw Caps – Waterproof Corrosion Resistant Cover Caps

Metal Screw Caps – Waterproof, Rust-Resistant & Built to Last

Keep your screws protected and your surfaces looking neat with these heavy-duty metal screw cover caps. Made from galvalume steel, these caps are designed to seal screw holes against moisture, rain, and corrosion — perfect for both indoor and outdoor use. Whether you're working on furniture, cabinetry, roofing, or general home improvement, these caps are a simple, effective solution for a cleaner, more professional finish.

Key Features

• Waterproof Seal: Blocks rainwater and moisture from seeping into screw holes, preventing rust and structural damage.
• Corrosion Resistant: Galvalume steel construction slows rust even under changing outdoor weather conditions.
• Compact & Versatile: Each cap measures 3.5 × 3.5 × 1 cm (0.5 mm thick), fitting a wide range of home improvement and industrial assembly applications.
• Easy Installation: Simply snap into place — no special tools required. Great for DIY and professional use alike.
• Multi-Pack Options: Available in packs of 5, 10, 50, or 100 — stock up for large projects or keep extras on hand for quick repairs.
• Versatile Use: Ideal for furniture, wood upholstery, cabinets, roofing, fencing, and more.

Product Specifications

Ideal For

• Roof sheeting and cladding repairs
• Outdoor furniture and wooden structures
• Kitchen and bathroom cabinets
• Industrial assembly and construction projects
• Fencing, sheds, and garden structures

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Looking for more workshop and DIY essentials? Check out our 1/2" & 3/4" PPR Water Pipe Tap – Alloy Steel Anti-Corrosion and our 10,000 PSI Grease Gun Coupler NPT 1/8 Quick Release Nozzle for your next project.

Safety & Standards

For guidance on safe use of hardware and DIY tools at home, visit the U.S. Consumer Product Safety Commission (CPSC) for safety tips and product standards information.

Learn more: Screw cap

Frequently Asked Questions

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

A: These screw cover caps are made from galvalume steel — a corrosion-resistant material that combines the protective qualities of zinc and aluminium, making it highly durable against outdoor weather, moisture, and rust.

Q: What size are the metal screw caps?

A: Each cap measures approximately 3.5 × 3.5 × 1 cm with a thickness of 0.5 mm. This compact size makes them suitable for a wide variety of furniture, cabinetry, roofing, and general construction applications.

Q: Can these screw caps be used outdoors?

A: Yes! These caps are specifically designed for outdoor use. The galvalume steel construction provides excellent resistance to rain, moisture, and corrosion, making them ideal for roofing, fencing, garden furniture, and other outdoor installations.

Q: How many caps come in each pack?

A: These metal screw caps are available in convenient multi-packs of 5, 10, 50, or 100 pieces — so you can choose the right quantity for your project, whether it's a small repair or a large-scale installation.