Home > Nuts & Washers > Nuts > Nuts - Inch & Mil-Spec > Machine Screw Nut > Steel

Hex Machine Screw Nuts

Looking for Hex Machine Screw Nuts?

We carry Small pattern Hex Machine Screw Nuts ,Extra Small pattern Hex Machine Screw Nuts, Large pattern Hex Machine Screw Nuts, Regular Pattern Hex Machine Screw Nuts, Square Hex Machine Screw Nuts, and more.

Stock sizes include 0-80 through 3/8-24 in 18-8 Stainless Steel, 316 Stainless, and steel with various finishes.

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
1-72  Hex Machine Screw Nut Zinc [10000 pieces] 1-72 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $281.25 / Quantity Discounts Available
2-64  Hex Machine Screw Nut Zinc [10000 pieces] 2-64 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $181.04 / Quantity Discounts Available
2-56  Hex Machine Screw Nut Zinc [10000 pieces] 2-56 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $227.08 / Quantity Discounts Available
2-56  Hex Machine Screw Nut Black Oxide [10000 pieces] 2-56 Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $310.05 / Quantity Discounts Available
2-56  Hex Machine Screw Nut Zinc Yellow [10000 pieces] 2-56 Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $285.60 / Quantity Discounts Available
3-56  Hex Machine Screw Nut Zinc [10000 pieces] 3-56 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $140.12 / Quantity Discounts Available
3-48  Hex Machine Screw Nut Zinc [10000 pieces] 3-48 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $165.85 / Quantity Discounts Available
4-40X3/16  Small Pattern Hex Machine Screw Nuts Zinc [10000 pieces] 4-40X3/16 Small Pattern Hex Machine Screw Nuts Zinc [10000 per box]
Price per Box: $139.50 / Quantity Discounts Available
4-40X3/16  Small Pattern Hex Machine Screw Nut Black Oxide [10000 pieces] 4-40X3/16 Small Pattern Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $199.02 / Quantity Discounts Available
4-40X3/16  Small Pattern Hex Machine Screw Nut Black Zinc [10000 pieces] 4-40X3/16 Small Pattern Hex Machine Screw Nut Black Zinc [10000 per box]
Price per Box: $168.80 / Quantity Discounts Available
4-40X3/16  Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 pieces] 4-40X3/16 Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $160.58 / Quantity Discounts Available
4-48  Hex Machine Screw Nut Zinc [10000 pieces] 4-48 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $117.80 / Quantity Discounts Available
4-40  Hex Machine Screw Nut Zinc [10000 pieces] 4-40 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $94.40 / Quantity Discounts Available
4-40  Hex Machine Screw Nut Black Oxide [10000 pieces] 4-40 Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $167.25 / Quantity Discounts Available
4-40  Hex Machine Screw Nut Black Zinc [10000 pieces] 4-40 Hex Machine Screw Nut Black Zinc [10000 per box]
Price per Box: $238.50 / Quantity Discounts Available
4-40  Hex Machine Screw Nut Zinc Yellow [10000 pieces] 4-40 Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $160.12 / Quantity Discounts Available
5-40X1/4  Small Pattern Hex Machine Screw Nuts Zinc [10000 pieces] 5-40X1/4 Small Pattern Hex Machine Screw Nuts Zinc [10000 per box]
Price per Box: $231.11 / Quantity Discounts Available
5-40  Hex Machine Screw Nut Zinc [10000 pieces] 5-40 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $237.60 / Quantity Discounts Available
6-32X1/4  Small Pattern Hex Machine Screw Nuts Zinc [10000 pieces] 6-32X1/4 Small Pattern Hex Machine Screw Nuts Zinc [10000 per box]
Price per Box: $202.28 / Quantity Discounts Available
6-32X1/4  Small Pattern Hex Machine Screw Nut Black Oxide [10000 pieces] 6-32X1/4 Small Pattern Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $181.35 / Quantity Discounts Available
6-32X1/4  Small Pattern Hex Machine Screw Nut Black Zinc [10000 pieces] 6-32X1/4 Small Pattern Hex Machine Screw Nut Black Zinc [10000 per box]
Price per Box: $297.00 / Quantity Discounts Available
6-32X1/4  Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 pieces] 6-32X1/4 Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $211.58 / Quantity Discounts Available
6-32  Hex Machine Screw Nut Zinc [10000 pieces] 6-32 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $166.16 / Quantity Discounts Available
6-32  Hex Machine Screw Nut Black Oxide [10000 pieces] 6-32 Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $207.70 / Quantity Discounts Available
6-32  Hex Machine Screw Nut Black Zinc [10000 pieces] 6-32 Hex Machine Screw Nut Black Zinc [10000 per box]
Price per Box: $300.00 / Quantity Discounts Available
6-32  Hex Machine Screw Nut Zinc Yellow [10000 pieces] 6-32 Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $103.50 / Quantity Discounts Available
6-40  Hex Machine Screw Nut Zinc [10000 pieces] 6-40 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $393.45 / Quantity Discounts Available
8-32X1/4AF  Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 pieces] 8-32X1/4AF Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $263.70 / Quantity Discounts Available
8-32X5/16  Small Pattern Hex Machine Screw Nuts Zinc [10000 pieces] 8-32X5/16 Small Pattern Hex Machine Screw Nuts Zinc [10000 per box]
Price per Box: $178.25 / Quantity Discounts Available
8-32X5/16  Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 pieces] 8-32X5/16 Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $204.60 / Quantity Discounts Available
8-32  Hex Machine Screw Nut Zinc [10000 pieces] 8-32 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $196.23 / Quantity Discounts Available
8-32  Hex Machine Screw Nut Black Oxide [10000 pieces] 8-32 Hex Machine Screw Nut Black Oxide [10000 per box]
Price per Box: $237.30 / Quantity Discounts Available
10-32 X 3/32 Small Pattern Hex Machine Screw Nut Steel Black Oxide 10-32X1/4X3/32 HEX MS NUT-SMALL PATTERN BLACK OX & OIL [8000 PER BOX]
Price per Box: $336.96 / Quantity Discounts Available
5-40 X 3/32 Small Pattern Hex Machine Screw Nut Steel Black Oxide 5-40X1/4X3/32 HEX MS NUT-SMALL PATTERN BLACK OX & OIL [10000 PER BOX]
Price per Box: $185.85 / Quantity Discounts Available
8-32 X 3/32 Small Pattern Hex Machine Screw Nut Steel Black Oxide 8-32X1/4X3/32 HEX MS NUT-SMALL PATTERN BLACK OX & OIL [10000 PER BOX]
Price per Box: $219.75 / Quantity Discounts Available
8-32  Hex Machine Screw Nut Black Zinc [10000 pieces] 8-32 Hex Machine Screw Nut Black Zinc [10000 per box]
Price per Box: $354.00 / Quantity Discounts Available
8-32  Hex Machine Screw Nut Zinc Yellow [10000 pieces] 8-32 Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $284.85 / Quantity Discounts Available
8-36  Hex Machine Screw Nut Zinc [10000 pieces] 8-36 Hex Machine Screw Nut Zinc [10000 per box]
Price per Box: $372.45 / Quantity Discounts Available
0-80 X 3/64 Standard Pattern Hex Machine Screw Nut Steel Nickel 0-80X5/32X3/64 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $292.50 / Quantity Discounts Available
12-24 X 5/32 Standard Pattern Hex Machine Screw Nut Steel Nickel 12-24X7/16X532 HEX MS NUT COARSE THREAD NICKEL [5000 PER BOX]
Price per Box: $501.62 / Quantity Discounts Available
1/4-20 X 3/16 Standard Pattern Hex Machine Screw Nut Steel Nickel 1/4-20X7/16X3/ HEX MS NUT COARSE THREAD NICKEL [5000 PER BOX]
Price per Box: $223.13 / Quantity Discounts Available
2-56 X 1/16 Standard Pattern Hex Machine Screw Nut Steel Nickel 2-56X3/16X1/16 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $228.90 / Quantity Discounts Available
3-48 X 1/16 Standard Pattern Hex Machine Screw Nut Steel Nickel 3-48X3/16X1/16 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $182.28 / Quantity Discounts Available
5-40 X 7/64 Standard Pattern Hex Machine Screw Nut Steel Nickel 5-40X5/16X7/64 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $317.70 / Quantity Discounts Available
6-32 X 7/64 Standard Pattern Hex Machine Screw Nut Steel Nickel 6-32X5/16X7/64 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $237.30 / Quantity Discounts Available
8-32 X 1/8 Standard Pattern Hex Machine Screw Nut Steel Nickel 8-32X11/32X1/8 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $247.80 / Quantity Discounts Available
10-24X1/4  Small Pattern Hex Machine Screw Nuts Zinc [8000 pieces] 10-24X1/4 Small Pattern Hex Machine Screw Nuts Zinc [8000 per box]
Price per Box: $274.92 / Quantity Discounts Available
10-24 X 1/8 Standard Pattern Hex Machine Screw Nut Steel Nickel 10-24X3/8X1/8 HEX MS NUT COARSE THREAD NICKEL [8000 PER BOX]
Price per Box: $198.65 / Quantity Discounts Available
10-32 X 1/8 Standard Pattern Hex Machine Screw Nut Steel Nickel 10-32X3/8X1/8 HEX MS NUT COARSE THREAD NICKEL [8000 PER BOX]
Price per Box: $228.00 / Quantity Discounts Available
4-40 X 3/32 Standard Pattern Hex Machine Screw Nut Steel Nickel 4-40X1/4X3/32 HEX MS NUT COARSE THREAD NICKEL [10000 PER BOX]
Price per Box: $221.40 / Quantity Discounts Available
4-40 X 1/16 Small Pattern Hex Machine Screw Nut Steel Plain 4-40X3/16X1/16 HEX MS NUT-SMALL PATTERN PLAIN [10000 PER BOX]
Price per Box: $139.50 / Quantity Discounts Available
10-24X5/16  Small Pattern Hex Machine Screw Nuts Zinc [8000 pieces] 10-24X5/16 Small Pattern Hex Machine Screw Nuts Zinc [8000 per box]
Price per Box: $219.73 / Quantity Discounts Available
10-24X5/16  Small Pattern Hex Machine Screw Nut Black Oxide [8000 pieces] 10-24X5/16 Small Pattern Hex Machine Screw Nut Black Oxide [8000 per box]
Price per Box: $220.84 / Quantity Discounts Available
3/8-16 X 1/4 Standard Pattern Hex Machine Screw Nut Steel Black Oxide 3/8-16X5/8X1/4 HEX MACHINE SCREW NUT BLK OX [2000 PER BOX]
Price per Box: $486.00 / Quantity Discounts Available
8-32 X 3/32 Small Pattern Hex Machine Screw Nut Steel Zinc 8-32X1/4X3/32 HEX MS NUT-SMALL PATTERN ZINC [10000 PER BOX]
Price per Box: $227.70 / Quantity Discounts Available
10-24X5/16  Small Pattern Hex Machine Screw Nut Zinc Yellow [8000 pieces] 10-24X5/16 Small Pattern Hex Machine Screw Nut Zinc Yellow [8000 per box]
Price per Box: $346.32 / Quantity Discounts Available
10-24  Hex Machine Screw Nut Zinc [8000 pieces] 10-24 Hex Machine Screw Nut Zinc [8000 per box]
Price per Box: $185.26 / Quantity Discounts Available
3/4-16 X 1-1/6 High Thickness Hex Machine Screw Nut Steel Plain 3/4-16X1 1/16 HIGH HEX NUT GR8 FINE TH PLAIN [250 PER BOX]
Price per Box: $413.57 / Quantity Discounts Available
7/16-20 X 39/64 High Thickness Hex Machine Screw Nut Steel Plain 7/16-20X39/64 HIGH HEX NUT GR8 FINE TH PLAIN [1100 PER BOX]
Price per Box: $444.76 / Quantity Discounts Available
9/16-18 X 49/64 High Thickness Hex Machine Screw Nut Steel Plain 9/16-18X49/64 HIGH HEX NUT GR8 FINE TH PLAIN [300 PER BOX]
Price per Box: $263.79 / Quantity Discounts Available
1/2-20 X 21/32 High Thickness Hex Machine Screw Nut Steel Plain 1/2-20X21/32 HIGH HEX NUT GR8 FINE TH PLAIN [800 PER BOX]
Price per Box: $540.88 / Quantity Discounts Available
3/4-16 X 1-1/8 High Thickness Hex Machine Screw Nut Steel Plain 3/4-16X1 1/8 HIGH HEX NUT GR8 FINE TH PLAIN [200 PER BOX]
Price per Box: $478.68 / Quantity Discounts Available
5/8-18 X 27/32 High Thickness Hex Machine Screw Nut Steel Plain 5/8-18X27/32 HIGH HEX NUT GR8 FINE TH PLAIN [300 PER BOX]
Price per Box: $350.46 / Quantity Discounts Available
10-24  Hex Machine Screw Nut Black Oxide [8000 pieces] 10-24 Hex Machine Screw Nut Black Oxide [8000 per box]
Price per Box: $231.51 / Quantity Discounts Available
0-80 Fine Thread Hex Machine Screw Nut Steel Zinc 0-80X5/32X3/64 HEX MS NUT FINE THREAD ZINC [10000 PER BOX]
Price per Box: $420.00 / Quantity Discounts Available
1-72 Fine Thread Hex Machine Screw Nut Steel Zinc 1-72X5/32X3/64 HEX MS NUT FINE THREAD ZINC [10000 PER BOX]
Price per Box: $195.30 / Quantity Discounts Available
10-24  Hex Machine Screw Nut Black Zinc [8000 pieces] 10-24 Hex Machine Screw Nut Black Zinc [8000 per box]
Price per Box: $273.00 / Quantity Discounts Available
3/8-24 X 1/2 High Thickness Hex Machine Screw Nut Steel Plain 3/8-24X1/2 HIGH HEX NUT GR8 FINE TH PLAIN [1500 PER BOX]
Price per Box: $367.65 / Quantity Discounts Available
10-24  Hex Machine Screw Nut Zinc Yellow [8000 pieces] 10-24 Hex Machine Screw Nut Zinc Yellow [8000 per box]
Price per Box: $278.64 / Quantity Discounts Available
10-32X1/4  Small Pattern Hex Machine Screw Nuts Zinc [8000 pieces] 10-32X1/4 Small Pattern Hex Machine Screw Nuts Zinc [8000 per box]
Price per Box: $280.80 / Quantity Discounts Available
10-32X5/16  Small Pattern Hex Machine Screw Nuts Zinc [8000 pieces] 10-32X5/16 Small Pattern Hex Machine Screw Nuts Zinc [8000 per box]
Price per Box: $237.60 / Quantity Discounts Available
10-32X5/16  Small Pattern Hex Machine Screw Nut Black Oxide [8000 pieces] 10-32X5/16 Small Pattern Hex Machine Screw Nut Black Oxide [8000 per box]
Price per Box: $251.28 / Quantity Discounts Available
10-32X5/16  Small Pattern Hex Machine Screw Nut Black Zinc [8000 pieces] 10-32X5/16 Small Pattern Hex Machine Screw Nut Black Zinc [8000 per box]
Price per Box: $221.71 / Quantity Discounts Available
10-32X5/16  Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 pieces] 10-32X5/16 Small Pattern Hex Machine Screw Nut Zinc Yellow [10000 per box]
Price per Box: $224.75 / Quantity Discounts Available
10-32  Hex Machine Screw Nut Zinc [8000 pieces] 10-32 Hex Machine Screw Nut Zinc [8000 per box]
Price per Box: $177.82 / Quantity Discounts Available
10-32  Hex Machine Screw Nut Black Oxide [8000 pieces] 10-32 Hex Machine Screw Nut Black Oxide [8000 per box]
Price per Box: $222.21 / Quantity Discounts Available
10-32  Hex Machine Screw Nut Black Zinc [8000 pieces] 10-32 Hex Machine Screw Nut Black Zinc [8000 per box]
Price per Box: $320.40 / Quantity Discounts Available
10-32  Hex Machine Screw Nut Zinc Yellow [8000 pieces] 10-32 Hex Machine Screw Nut Zinc Yellow [8000 per box]
Price per Box: $284.76 / Quantity Discounts Available
12-24  Hex Machine Screw Nut Zinc [5000 pieces] 12-24 Hex Machine Screw Nut Zinc [5000 per box]
Price per Box: $238.16 / Quantity Discounts Available
1/4-20  Hex Machine Screw Nut Zinc [5000 pieces] 1/4-20 Hex Machine Screw Nut Zinc [5000 per box]
Price per Box: $176.70 / Quantity Discounts Available
1/4-20  Hex Machine Screw Nut Black Oxide [5000 pieces] 1/4-20 Hex Machine Screw Nut Black Oxide [5000 per box]
Price per Box: $220.88 / Quantity Discounts Available
1/4-20  Hex Machine Screw Nut Black Zinc [5000 pieces] 1/4-20 Hex Machine Screw Nut Black Zinc [5000 per box]
Price per Box: $318.75 / Quantity Discounts Available
1/4-20  Hex Machine Screw Nut Zinc Yellow [5000 pieces] 1/4-20 Hex Machine Screw Nut Zinc Yellow [5000 per box]
Price per Box: $256.50 / Quantity Discounts Available
1/4-28  Hex Machine Screw Nut Zinc [5000 pieces] 1/4-28 Hex Machine Screw Nut Zinc [5000 per box]
Price per Box: $264.98 / Quantity Discounts Available
1/4-28  Hex Machine Screw Nut Zinc Yellow [5000 pieces] 1/4-28 Hex Machine Screw Nut Zinc Yellow [5000 per box]
Price per Box: $214.13 / Quantity Discounts Available
5/16-18  Hex Machine Screw Nut Zinc [3000 pieces] 5/16-18 Hex Machine Screw Nut Zinc [3000 per box]
Price per Box: $295.20 / Quantity Discounts Available
5/16-18  Hex Machine Screw Nut Black Oxide [3000 pieces] 5/16-18 Hex Machine Screw Nut Black Oxide [3000 per box]
Price per Box: $354.24 / Quantity Discounts Available
5/16-18  Hex Machine Screw Nut Zinc Yellow [3000 pieces] 5/16-18 Hex Machine Screw Nut Zinc Yellow [3000 per box]
Price per Box: $383.76 / Quantity Discounts Available
5/16-24  Hex Machine Screw Nut Zinc [3000 pieces] 5/16-24 Hex Machine Screw Nut Zinc [3000 per box]
Price per Box: $250.20 / Quantity Discounts Available
3/8-16  Hex Machine Screw Nut Zinc [2000 pieces] 3/8-16 Hex Machine Screw Nut Zinc [2000 per box]
Price per Box: $182.90 / Quantity Discounts Available
3/8-16  Hex Machine Screw Nut Zinc Yellow [2000 pieces] 3/8-16 Hex Machine Screw Nut Zinc Yellow [2000 per box]
Price per Box: $283.59 / Quantity Discounts Available
3/8-24  Hex Machine Screw Nut Zinc [2000 pieces] 3/8-24 Hex Machine Screw Nut Zinc [2000 per box]
Price per Box: $298.89 / Quantity Discounts Available
   
 
1