Home > Nuts & Washers > Nuts > Nuts - Inch & Mil-Spec > Square Nut > Machine

Square Nuts

Looking for square nuts?

We carry heavy square nuts, regular square nuts, and square machine screw nuts.

Stock sizes include 2-56 through 1-1/2-6 in Steel and 18-8 Stainless.

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
2-56 Square Machine Screw Nut Zinc [5000 pieces] 2-56 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $159.73 / Quantity Discounts Available
4-40 Square Machine Screw Nut Zinc [5000 pieces] 4-40 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $208.48 / Quantity Discounts Available
5-40 Square Machine Screw Nut Zinc [5000 pieces] 5-40 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $143.61 / Quantity Discounts Available
6-32 Square Machine Screw Nut Zinc [5000 pieces] 6-32 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $166.78 / Quantity Discounts Available
8-32 Square Machine Screw Nut Zinc [5000 pieces] 8-32 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $234.67 / Quantity Discounts Available
10-24 Square Machine Screw Nut Zinc [5000 pieces] 10-24 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $169.34 / Quantity Discounts Available
10-32 Square Machine Screw Nut Zinc [5000 pieces] 10-32 Square Machine Screw Nut Zinc [5000 per box]
Price per Box: $145.39 / Quantity Discounts Available
12-24 Square Machine Screw Nut Zinc [3000 pieces] 12-24 Square Machine Screw Nut Zinc [3000 per box]
Price per Box: $182.93 / Quantity Discounts Available
1/4-20 Square Machine Screw Nut Zinc [3000 pieces] 1/4-20 Square Machine Screw Nut Zinc [3000 per box]
Price per Box: $237.51 / Quantity Discounts Available
1/4-20 Square Machine Screw Nut Black Oxide [3000 pieces] 1/4-20 Square Machine Screw Nut Black Oxide [3000 per box]
Price per Box: $214.46 / Quantity Discounts Available
1/4-28 Square Machine Screw Nut Zinc [3000 pieces] 1/4-28 Square Machine Screw Nut Zinc [3000 per box]
Price per Box: $242.33 / Quantity Discounts Available
5/16-18 Square Machine Screw Nut Zinc [2000 pieces] 5/16-18 Square Machine Screw Nut Zinc [2000 per box]
Price per Box: $202.15 / Quantity Discounts Available
3/8-16 Square Machine Screw Nut Zinc [1000 pieces] 3/8-16 Square Machine Screw Nut Zinc [1000 per box]
Price per Box: $160.58 / Quantity Discounts Available
12-24 Square Machine Screw Nut Zinc [3000 pieces] 12-24 Square Machine Screw Nut Zinc [3000 pieces]
Get a custom quote today!
 
   
 
1