Home > Bolts > Hex & Square Head Machine Bolts > Inch Hex & Square Head Machine Bolts > 4-1/2

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!
Sort By:
1
1/2-13 X 4-1/2 Hex Machine Bolt Steel 1/2-13 X 4-1/2 Hex Machine Bolt Steel Hot Dip Galvanized [125 PER BOX]
Price per Box: $171.45 / Quantity Discounts Available
3/8-16 X 4-1/2 Hex Machine Bolt Steel 3/8-16 X 4-1/2 Hex Machine Bolt Steel Hot Dip Galvanized [225 PER BOX]
Price per Box: $172.55 / Quantity Discounts Available
5/16-18 X 4-1/2 Hex Machine Bolt Steel 5/16-18 X 4-1/2 Hex Machine Bolt Steel Hot Dip Galvanized [300 PER BOX]
Price per Box: $209.51 / Quantity Discounts Available
5/8-11 X 4-1/2 Hex Machine Bolt Steel 5/8-11 X 4-1/2 Hex Machine Bolt Steel Hot Dip Galvanized [80 PER BOX]
Price per Box: $192.14 / Quantity Discounts Available
1/2-13 X 4-1/2 Square Head Machine Bolt Steel 1/2-13 X 4-1/2 Square Head Machine Bolt Steel Plain [100 PER BOX]
Price per Box: $183.32 / Quantity Discounts Available
3/4-10 X 4-1/2 Square Head Machine Bolt Steel 3/4-10 X 4-1/2 Square Head Machine Bolt Steel Plain [40 PER BOX]
Price per Box: $138.68 / Quantity Discounts Available
7/8-9 X 4-1/2 Square Head Machine Bolt Steel 7/8-9 X 4-1/2 Square Head Machine Bolt Steel Plain [30 PER BOX]
Price per Box: $221.14 / Quantity Discounts Available
   
 
1