Machine Screws Phil Flat 18/8 Stainless (MS51959) 4-40X1/4 are precision-engineered fasteners designed for durable connections in metal assemblies. Featuring a Phillips drive, a flat (countersunk) head, and 18/8 stainless steel construction, these screws deliver reliable performance in demanding environments.

Ideal for electronics enclosures, appliances, machinery, and cabinetry, these machine screws are corrosion-resistant and suitable for thin panels and threaded holes.

Specifications

• Drive type: Phillips (PH)
• Head style: Flat head (countersunk)
• Material: 18/8 stainless steel
• Finish: Stainless
• Thread size: 4-40
• Length: 1/4 in
• Applications: Suitable for metal-to-metal assemblies in electronics, cabinetry, and appliances

Why choose 18/8 stainless machine screws? The alloy provides excellent corrosion resistance, good strength, and low maintenance, making them ideal for indoor and outdoor projects where exposure to moisture is a consideration.

Installation tips

• Match with a corresponding nut or pre-tapped threaded hole rated for 4-40 screws.
• Use appropriate thread engagement to avoid stripping; for thin panels, consider a pilot hole to prevent material jamming.
• Lubricate lightly if needed to reduce friction during installation.

Bring reliability to your next project with these MS51959 4-40 x 1/4 inch Phillips flat head machine screws. Add to your hardware kit today for consistent, durable fastening you can trust.