#4-40 X 3/8" Socket Cap Screws | Hex Socket Drive | Brass (40 / Pkg.)

Socket Head Cap Screws Brass 4-40 x 3/8 are ideal for precise, compact fastenings in electronics, hobby projects, and fine mechanical assemblies. Made from brass, these screws combine corrosion resistance with easy machinability, making them a reliable choice for lightweight applications where a clean, professional finish matters.

With a socket head and hex drive, these screws provide a low-profile profile and precise torque control for delicate fittings. The 4-40 thread size and 3/8 inch length ensure a snug fit in small assemblies without protruding hardware.

Specifications

• Thread size: 4-40
• Length: 3/8 in
• Material: Brass
• Head style: Socket Head Cap
• Drive type: Hex (Allen)
• Finish: Brass (natural)

Applications include electronics enclosures, model making, small equipment assemblies, and projects that require non-magnetic, corrosion-resistant fasteners with a clean, professional look.