Machine Screws Philips Round Head Steel Black Oxide 4-40 x 1/2 are compact, high-strength fasteners designed for precise, secure assemblies in electronics, appliances, and small equipment.

These Phillips round-head machine screws are built from durable steel and finished with a black oxide coating for a low-gloss appearance and added corrosion resistance. The 4-40 thread size and 1/2 inch length make them ideal for light-duty applications that require a neat, unobtrusive fastener.

Key features

• Drive type: Phillips (PH) head for easy, standard screwdriver compatibility
• Head style: Round head for flush or recessed mounting in panels and enclosures
• Material: Steel for reliable strength
• Finish: Black oxide for durability and a low-reflection surface
• Thread size: 4-40
• Length: 1/2 inch

Ideal for electronics enclosures, small machinery, and DIY projects, these machine screws provide secure fastening with a clean, professional look. Add them to your toolkit for dependable performance in your next build.