Metal Screw Caps – Waterproof & Corrosion Resistant (5–100 Pack)

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

Keep your screws protected and your projects looking clean with these heavy-duty metal screw caps. Made from durable galvalume steel, these compact covers are designed to seal screw holes against moisture, rain, and corrosion — making them ideal for both indoor furniture and outdoor applications. Available in value packs of 5, 10, 50, or 100 pieces so you'll always have the right quantity on hand.

Key Features

• Waterproof Seal: Blocks rainwater and moisture from seeping into screw holes, preventing rust and wood rot over time.
• Corrosion Resistant: Crafted from galvalume steel to resist rust and weathering even in changing outdoor conditions.
• Solid Metal Construction: Maintains a tight, secure enclosure after installation for long-term, stable performance.
• Easy to Install: Simply press or snap over existing screw heads — no special tools required.
• Compact & Versatile Size: Each cap measures approximately 3.5 × 3.5 × 1 cm (thickness: 0.5 mm), fitting a wide range of standard screw sizes used in home improvement and industrial assembly.
• Wide Application: Perfect for furniture, cabinets, upholstery, roofing panels, wood decking, and general DIY woodworking projects.
• Neat Finish: Restores a clean, professional appearance by covering worn or exposed screw fittings.

Specifications

What's in the Box?

5 / 10 / 50 / 100 × Metal Screw Caps (based on pack size selected)

Great for These Projects

• 🪵 Furniture assembly & cabinet installation
• 🏠 Roofing and outdoor panel fastening
• 🔧 General DIY woodworking and upholstery work
• 🏭 Light industrial assembly and maintenance
• 🌧️ Exterior applications requiring weatherproofing

Need other tools for your next build? Check out our 1/2" & 3/4" PPR Water Pipe Tap – Alloy Steel Anti-Corrosion or explore our 10-Pack 22AWG Glass Tube Fuse Holder for more hardware essentials.

For guidance on safe use of metal hardware and corrosion prevention in home improvement projects, visit the U.S. Consumer Product Safety Commission (CPSC) for helpful safety resources.

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 durable alloy known for its excellent resistance to rust and corrosion, making them suitable for both indoor and outdoor use.

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

A: Each cap measures approximately 3.5 × 3.5 × 1 cm with a 0.5 mm thickness. They are designed to fit a wide range of standard screw sizes used in furniture, cabinetry, roofing, and general woodworking applications. If you're unsure about compatibility, feel free to contact us for guidance.

Q: Are these screw caps suitable for outdoor use?

A: Yes! These metal screw caps are specifically designed to withstand outdoor conditions. The galvalume steel construction resists rust and corrosion, and the snug fit helps block rainwater from entering screw holes — making them ideal for roofing panels, exterior furniture, and decking.

Q: How many caps come in a pack?

A: These waterproof metal screw covers are available in pack sizes of 5, 10, 50, or 100 pieces. Choose the quantity that best suits your project needs for the best value.