Holiday Sale 4-40 X 2-1/4″ Machine Screws Round Head Slotted Drive Steel Zinc Plated (3000/Pkg.)

Meet the Machine Screws Slotted Round Zinc Plated 4/40 x 2 1/4 — a dependable fastener engineered for precise, sturdy assemblies. The slotted round head provides classic drive compatibility and a clean finish for metal-to-metal connections in electronics, cabinetry, appliances, and industrial equipment.

Key features

Slotted round head offers easy driving with a standard flat-blade screwdriver and a neat, low-profile appearance.

Thread size 4/40 with a length of 2 1/4 in fits most tapped holes and common chassis applications.

Zinc plated finish provides corrosion resistance and a bright, durable look for long-lasting use.

Precision machine screw ensures predictable thread engagement and secure clamping in assemblies.

Versatile compatibility suitable for electronics, machinery, cabinetry, appliances, and general metal hardware projects.

Choose the Machine Screws Slotted Round Zinc Plated 4/40 x 2 1/4 when you need a dependable, ready-to-install fastener that balances performance and value. Ideal for quick repairs, enclosures, and project builds that require standard 4/40 screws with an easy-to-drive slotted head.