1/2″ Plastic Button Hole Plug Easy Snap-In Hole Cover

Quick and Simple Plastic Hole Filler Plug

This 1/2″ plastic hole plug from Hillman (manufacturer part number: 58182-B) is the perfect solution for covering unused round holes and knockouts in panels, project boxes, or enclosures. Designed for everyday use around the home, office, or workshop, this snap-in hole cover provides a clean and finished look with minimal effort.

Effortless Press Fit Installation

The plastic button hole plug features an easy, tool-free installationjust push it into the hole and it snaps firmly in place. No screws, glue, or hardware needed! This makes it ideal for quick repairs, upgrades, or hiding exposed openings on appliances, cabinets, electronics, automotive panels, and more.

Technical Details

• Fits 1/2″ diameter holes (actual hole size: 0.50 inch)
• Material: Black durable plastic
• Type: Snap-in / press-fit round hole plug
• Single piece: package contains 1 x plastic button hole plug (two plugs shown for illustration)
• Manufacturer: Hillman
• Manufacturer Part Number: 58182-B

Benefits and Common Uses

Use this plastic knockout plug as a quick and effective way to fill unwanted holes in electrical cabinets, furniture, metal or plastic panels, and DIY projects. It helps to protect against dust, debris, and accidental contact with wiring or component internals. The smooth, low-profile design blends seamlessly with most surfaces for a professional appearance.

Why Choose this Plastic Hole Plug?

• Reliable snap-in fit for 1/2 inch openings
• Easy DIY installationno tools required
• Protects electronics and panels from dust and moisture
• Low-cost and reusable
• Trusted Hillman quality

Whether you call it a 1/2″ plastic button hole plug, plastic hole filler plug, push-in hole plug, or round hole cover, this handy accessory is your go-to solution for finishing projects and keeping your work neat and protected.