[100 PKG] Cap Screws Flat Socket Alloy Thermal Black Oxide 4-40 X 1/2

Cap Screws Flat Socket Alloy Thermal Black Oxide 4-40 x 1/2 inch are precision fasteners designed for reliable, high-strength assemblies. Built from sturdy alloy steel and finished with a thermal black oxide, these screws deliver durable performance with a low-glare appearance suitable for electronics, machinery, and professional enclosures.

• Material: Alloy steel for excellent strength and part integrity.
• Finish: Thermal black oxide provides corrosion resistance and a sleek, non-reflective surface.
• Thread size: 4-40 UNC, a common precision thread standard for small hardware.
• Length: 1/2 inch, ideal for compact assemblies and clean fits.
• Drive type: Internal hex (Allen) socket drive for secure tightening.
• Head type: Cap screw with flat socket design for streamlined profiles in tight spaces.
• Applications: Electronics enclosures, precision machinery, instrumentation, and hobby projects requiring dependable fasteners with a clean finish.

Engineered for dependable performance across demanding environments, these cap screws simplify assembly and deliver consistent torque with minimal wear. Ideal for replacements or new builds that require 4-40 x 1/2 inch socket cap screws with a durable alloy core and a discreet finish.