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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!
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1/2-13 X 3 Hex Machine Bolt Steel 1/2-13 X 3 Hex Machine Bolt Steel Hot Dip Galvanized [200 PER BOX]
Price per Box: $188.54 / Quantity Discounts Available
3/4-10 X 3 Hex Machine Bolt Steel 3/4-10 X 3 Hex Machine Bolt Steel Hot Dip Galvanized [80 PER BOX]
Price per Box: $205.98 / Quantity Discounts Available
3/8-16 X 3 Hex Machine Bolt Steel 3/8-16 X 3 Hex Machine Bolt Steel Hot Dip Galvanized [325 PER BOX]
Price per Box: $163.12 / Quantity Discounts Available
5/8-11 X 3 Hex Machine Bolt Steel 5/8-11 X 3 Hex Machine Bolt Steel Hot Dip Galvanized [100 PER BOX]
Price per Box: $177.42 / Quantity Discounts Available
1/2-13 X 3 Square Head Machine Bolt Steel 1/2-13 X 3 Square Head Machine Bolt Steel Plain [150 PER BOX]
Price per Box: $196.42 / Quantity Discounts Available
3/4-10 X 3 Square Head Machine Bolt Steel 3/4-10 X 3 Square Head Machine Bolt Steel Plain [60 PER BOX]
Price per Box: $149.97 / Quantity Discounts Available
3/8-16 X 3 Square Head Machine Bolt Steel 3/8-16 X 3 Square Head Machine Bolt Steel Plain [250 PER BOX]
Price per Box: $184.88 / Quantity Discounts Available
5/16-18 X 3 Square Head Machine Bolt Steel 5/16-18 X 3 Square Head Machine Bolt Steel Plain [400 PER BOX]
Price per Box: $249.79 / Quantity Discounts Available
5/8-11 X 3 Square Head Machine Bolt Steel 5/8-11 X 3 Square Head Machine Bolt Steel Plain [75 PER BOX]
Price per Box: $124.66 / Quantity Discounts Available
   
 
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