#4-40 X 5/8" Socket Cap Screws | Button Head Hex Socket Drive | 18/8 Stainless Steel (100 / Pkg.)

Cap Screws Button Socket 18/8 Stainless 4/40 X 5/8 are precision-engineered socket cap screws designed for durability and a clean, low-profile finish. Crafted from 18/8 stainless steel (304 grade), these button head cap screws deliver reliable corrosion resistance and long-lasting performance in a variety of environments. Ideal for electronics, machinery, furniture, automotive, and marine applications, they combine strength with a sleek, unobtrusive appearance.

Overview

Featuring a button head and an internal hex drive, these cap screws provide a flush, snag-free profile while preserving steady torque for secure assemblies. The 4-40 thread size is a common choice for electronics enclosures and small machinery, and the 5/8 inch length ensures a robust grip without protruding hardware.

• Material: 18/8 stainless steel (304 grade) for excellent corrosion resistance and durability.
• Head style: Button head for a low-profile, smooth surface.
• Drive type: Internal hex (Allen) drive for precise, tool-friendly tightening.
• Thread size: 4-40, a standard small-thread machine screw for fine assemblies.
• Length: 5/8 inch (15.88 mm) to suit compact, clean installations.
• Finish: Natural, passivated stainless steel finish for reliable performance.

Specifications

• Screw type: Button head cap screw (socket cap screw)
• Material: 18/8 stainless steel (304)
• Finish: Passivated stainless
• Thread size: 4-40
• Length: 5/8 inch
• Drive: Internal hex

Applications

Perfect for hardware installations where a clean look and corrosion resistance are essential. Use in electronics enclosures, control panels, cabinetry, automotive components, marine equipment, and lightweight machinery. The combination of stainless steel and a low-profile button head helps prevent snagging and provides a neat, professional finish.

Add Cap Screws Button Socket 18/8 Stainless 4/40 x 5/8 to your toolkit today and ensure secure, reliable joints with a touch of refined hardware design.