Description
Machine Screws Phil Undercut Flat 18/8 Stainless Black Oxide 4-40 x 7/16 are precision fasteners designed for reliable, corrosion-resistant joining in metal assemblies. With a flat head and Phillips drive, these screws provide a clean, flush finish in enclosures, panels, and machinery.
Key specifications
- Thread size: 4-40
- Length: 7/16 in
- Head style: Phil Undercut Flat
- Drive type: Phillips
- Material: 18/8 stainless steel
- Finish: Black oxide
Why choose these screws
Manufactured from 18/8 stainless steel for dependable corrosion resistance and strength in a variety of environments. The black oxide finish provides a low-gloss appearance that blends with dark hardware, while maintaining the performance of stainless steel in typical indoor applications.
Applications
- Enclosures, control panels, and electrical housings
- Machinery assemblies and equipment panels
- Any project requiring a flush, low-profile screw with a Phillips drive
Installation and care
- Use a compatible Phillips screwdriver for even seating and to prevent head stripping.
- Ensure you have a correctly tapped or pre-drilled 4-40 threaded hole for proper engagement.
- Wipe with a dry cloth after use to remove oils; avoid prolonged exposure to moisture beyond normal indoor use to preserve the finish.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

