Inch Hex & Square Head Machine Bolts

Looking for Hex & Square Head Machine Bolts?

We carry Inch Hex & Square Head Machine Bolts manufactured to ASME B18.2.1 standards.

Stock sizes include: 1/4-20 through 3/4-10 (Hex) & 1-8 through 1-1/4-7 (Square) in Steel Hot Dip Galvanized (Hex) & Steel Plain (Square).

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!