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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!

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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
1/4-20  Regular Square Nut Zinc [2000 pieces] 1/4-20 Regular Square Nut Zinc [2000 per box]
Price per Box: $133.46 / 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
5/16-18  Regular Square Nut Zinc [1000 pieces] 5/16-18 Regular Square Nut Zinc [1000 per box]
Price per Box: $104.44 / 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
3/8-16  Regular Square Nut Zinc [700 pieces] 3/8-16 Regular Square Nut Zinc [700 per box]
Price per Box: $87.43 / Quantity Discounts Available
7/16-14  Regular Square Nut Zinc [400 pieces] 7/16-14 Regular Square Nut Zinc [400 per box]
Price per Box: $116.00 / Quantity Discounts Available
1/2-13  Regular Square Nut Zinc [300 pieces] 1/2-13 Regular Square Nut Zinc [300 per box]
Price per Box: $114.16 / Quantity Discounts Available
1-8  Regular Square Nut Zinc [50 pieces] 1-8 Regular Square Nut Zinc [50 per box]
Price per Box: $124.29 / Quantity Discounts Available
1 1/8-7  Regular Square Nut Zinc [30 pieces] 1 1/8-7 Regular Square Nut Zinc [30 per box]
Price per Box: $56.84 / Quantity Discounts Available
1 1/4-7  Regular Square Nut Zinc [20 pieces] 1 1/4-7 Regular Square Nut Zinc [20 per box]
Price per Box: $92.40 / Quantity Discounts Available
1 1/2-6  Regular Square Nut Zinc [10 pieces] 1 1/2-6 Regular Square Nut Zinc [10 per box]
Price per Box: $76.50 / Quantity Discounts Available
5/8-11  Regular Square Nut Zinc [200 pieces] 5/8-11 Regular Square Nut Zinc [200 per box]
Price per Box: $169.37 / Quantity Discounts Available
3/4-10  Regular Square Nut Zinc [100 pieces] 3/4-10 Regular Square Nut Zinc [100 per box]
Price per Box: $96.19 / Quantity Discounts Available
7/8-9  Regular Square Nut Zinc [50 pieces] 7/8-9 Regular Square Nut Zinc [50 per box]
Price per Box: $115.56 / Quantity Discounts Available
   
 
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