4-40 X 11/16″ Machine Screws Flat Head Phillips Drive 18/8 Stainless Steel (5000/Pkg.) Limited Time
Original price was: $78.59.$40.87Current price is: $40.87.
Engineered for precision assemblies, our Machine Screws Phil Flat 18/8 Stainless 4-40X11/16 deliver dependable performance in demanding environments. These Phillips flat-head machine screws combine corrosion resistance with precise threading for secure, clean finishes in metal-to-metal fastening.
Key features
Head style: Phillips flat-head (PH) for consistent drive alignment and flush mounting
Material: 18/8 stainless steel (AISI 304) for exceptional corrosion resistance
Thread size: 4-40
Length: 11/16 in
Finish: Natural stainless steel finish
Ideal applications: Electronics enclosures, machinery panels, cabinetry, and other precision assemblies where a low-profile, secure fastening is required. The 4-40 size is a common choice for small components, offering strong clamping force without protruding hardware.
Why choose 18/8 stainless for machine screws? It provides excellent corrosion resistance in a wide range of environments, making these screws suitable for humid or indoor/outdoor interiors and long-lasting performance. They’re also easy to install with standard tools, and the Phillips drive helps prevent cam-out when driving screws into metal.
Add these screws to your fastener kit to ensure reliable, high-quality assemblies that stand up to everyday wear and tear.





