Low Price 1/4″-20 X 1/2″ Machine Screws Round Head Phillips Drive Steel Black Oxide (4000/Pkg.)

Engineered for durable, reliable fastening in metal assemblies, these Phillips Round Head Machine Screws are built from solid steel and finished with a black oxide coating for corrosion resistance and a sleek, low-gloss appearance. Sized at 1/4-20 UNC with a 1/2 inch length, these screws deliver secure clamping and easy drive with a standard Phillips screwdriver.

Key specifications

Drive type: Phillips (PH)

Head style: Round

Material: Steel

Finish: Black oxide

Thread size: 1/4-20

Length: 1/2 in

Type: Machine screw

Why choose these screws?

High-strength steel for dependable performance in metal-to-metal fastening

Black oxide finish reduces corrosion and hides residue for a clean look

Standard 1/4-20 UNC thread compatible with a wide range of tapped holes and nuts

Phillips drive provides easy alignment and consistent torque

Round head sits flush in countersunk or clearance scenarios with a smooth profile

Perfect for applications in automotive, equipment enclosures, electrical panels, machinery, and general fabrication. Stocked in 1/2 inch length for quick replacements or project builds. Order these Phillips Round Head Machine Screws in steel with black oxide finish to ensure durable, reliable fastening wherever metal components meet.