Trending 4-40 X 9/16″ Machine Screws Flat Head Phillips Drive Steel Black Oxide (10000/Pkg.)

Machine Screws Philips Flat Steel Black Oxide 4-40 x 9/16 are precision-engineered fasteners designed for reliable assembly of metal parts. This Phillips-drive, flat-head machine screw is made from durable steel with a black oxide finish for low glare and added corrosion resistance.

Drive type: Phillips

Head type: Flat

Material: Steel

Finish: Black oxide

Thread size: 4-40

Length: 9/16 inch

Applications: Ideal for metal enclosures, electronics, and equipment assemblies

These 4-40 x 9/16 inch screws offer dependable torque response and a clean, unobtrusive finish for indoor projects. The black oxide coating provides corrosion resistance and reduced reflectivity, making them suitable for precision assemblies where aesthetics and performance matter.

Perfect for hobbyists and professionals alike, stock up on these Phillips flat-head machine screws to ensure you have the right fasteners for your metal-to-metal connections.