Flat Head Cap Screws - Fine Alloy Black

Looking for flat head cap screws?

We carry Class 3A flat head cap screws manufactured to ASME B18.3 standards.

Stock sizes include 10-32 through 1/2-20 in Alloy Steel Black Oxide.

Scroll down to find your size, or search by part number.

Add to Cart and buy online or email us for a custom quote.  Most popular products are in stock and ship within 24 hours.

Can't find what you're looking for? Email us at [email protected] for a custom quote. "We have the right screw for you" is our motto after all!