Cap Nuts 2 Piece Closed Steel 4-40 offers a durable, finished solution for protecting fastener ends and providing a tidy look in assemblies. This 2-piece set includes two steel cap nuts designed for 4-40 screws.

Specifications

• Pieces: 2 cap nuts
• Material: Steel
• Design: Closed cap nut
• Size/Thread: 4-40

Key Benefits

• Thread protection: Encloses exposed threads to prevent damage and dirt ingress.
• Safety and finish: Smooth, capped end reduces the risk of injury and provides a clean appearance.
• Versatile applications: Ideal for electronics enclosures, furniture assembly, machinery, and other hardware projects.
• Easy to work with: Compatible with standard 4-40 machine screws.

Why choose cap nuts? They conceal the fastener hardware, shield threads from moisture and contaminants, and help preserve the life of your screws while delivering a professional, finished look to any install.