4-40 X 9/16″ Machine Screws Flat Head Slotted Drive 18/8 Stainless Steel (5000/Pkg.) New Release

Engineered for reliability, the Machine Screws Slotted Flat 18/8 Stainless 4/40 x 9/16 deliver a secure, long-lasting fastening solution for metal and plastic assemblies. The 18/8 stainless steel provides excellent corrosion resistance and durability, making these screws ideal for wet environments, electronics housings, appliances, and general industrial use.

Key features

Material: 18/8 stainless steel for corrosion resistance and strength

Head style: Slotted flat head for flush mounting

Drive type: Slotted

Thread size: 4-40 UNC

Length: 9/16 inch

Finish: Natural stainless finish

Benefits

With a slotted drive and a low-profile head, these machine screws provide a clean, unobtrusive appearance while delivering reliable holding power. The 4-40 thread is suitable for light-to-medium-duty applications where precise alignment is important. Stainless construction resists rust, stains, and moisture, helping extend service life in challenging environments.

Applications

Electronics enclosures and control panels

Appliances and white goods assembly

Machinery housings and equipment

Metal cabinetry and furniture hardware

DIY projects and prototypes requiring small, precise fasteners