4-40 X 7/8″ Machine Screws Round Head Slotted Drive 18/8 Stainless Steel (5000/Pkg.) Same Day Shipping

Master your assemblies with the Machine Screws Slotted Round 18/8 Stainless 4-40X7/8. Built for durability and precision, these screws are the trusted choice for metalworking, electronics, and cabinetry projects.

Key specs

Material: 18/8 stainless steel (304) for excellent corrosion resistance and long-lasting strength.

Head type: Slotted round head designed for flush, clean installations and straightforward drive with a flat-blade screwdriver.

Drive: Slotted (classic) drive for compatibility with standard tools.

Thread size: #4-40 UNC thread for precise, common fastener compatibility.

Length: 7/8 inch (22.2 mm) overall length to fit a range of materials and thicknesses.

Applications: Ideal for machinery, electronics enclosures, cabinetry, appliances, and other precision fastening tasks.

Why choose these stainless machine screws? The 18/8 stainless grade delivers superior corrosion resistance in indoor and moderately exposed environments, while the round head and slot drive provide a timeless, easy-to-drive solution that reduces cam-out and ensures dependable performance. For best results, pair with compatible 4-40 tapped holes and a properly sized flat-blade screwdriver.