1/2 Inch Metal Button Hole Plug – Nickel Plated Hole Cover

Easy-to-Install 1/2" Metal Hole Plug

Cover unused holes in electrical panels, project boxes, or appliances quickly and cleanly with this 1/2 inch metal button hole plug. Designed for a secure press fit, this hole plug simply snaps into place—no tools or mounting hardware needed. It's perfect for DIY projects, home repairs, and updating old panels.

Durable Nickel-Plated Finish

This metal hole filler features an attractive, corrosion-resistant nickel-coated finish, making it suitable for both interior and exterior use. The smooth surface blends seamlessly with most metal surfaces, adding a professional look to your work.

Reliable Metal Hole Filler for Multiple Uses

• Hole Diameter: 1/2 inch (0.50")
• Material: Metal, nickel plated
• Style: Snap-in / press-fit button hole plug
• Application: Covers unused knockouts in panels, junction boxes, appliances, and enclosures
• Installation: Tool-free, no mounting hardware required
• Manufacturer: Hillman
• Manufacturer Part Number: 58144-A
• Quantity: 1 piece per pack (Two are shown for illustration)

Benefits of 1/2 Inch Metal Button Hole Plugs

These press-fit metal panel hole plugs are ideal for protecting open knockouts from dust, debris, and accidental contact. Use them as panel hole covers when upgrading wiring, replacing components, or finishing custom project enclosures. Their nickel plating provides long-lasting performance for electrical, automotive, or hobby tasks.