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Flange Nuts

Looking for serrated flange nuts or non-serrated flange hex lock nuts?

We carry DIN 6923, DIN 6927, Nylon Insert Hex Flange Stop Nuts, top lock hex nuts, DIN 6923, and more.

Stock sizes include 4-40 through 7/8-9 in 18-8 Stainless Steel and Steel with Zinc, Black Phosphate, Zinc Yellow, or Plain 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!
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1
1/4-20 Non-Serrated Flange Hex Nut Stainless Steel 1/4-20 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [2000 PER BOX]
Price per Box: $228.60
1/4-28 Non-Serrated Flange Hex Nut Stainless Steel 1/4-28 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [2000 PER BOX]
Price per Box: $230.58
3/8-16 Non-Serrated Flange Hex Nut Stainless Steel 3/8-16 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [1000 PER BOX]
Price per Box: $229.50
10-24 Non-Serrated Flange Hex Nut Stainless Steel 10-24 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [4000 PER BOX]
Price per Box: $333.00
10-32 Non-Serrated Flange Hex Nut Stainless Steel 10-32 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [4000 PER BOX]
Price per Box: $335.88
8-32 Non-Serrated Flange Hex Nut Stainless Steel 8-32 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [5000 PER BOX]
Price per Box: $337.73
4-40 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [10000 pieces] 4-40 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [10000 per box]
Price per Box: $1,333.22 / Quantity Discounts Available
6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [5000 pieces] 6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [5000 per box]
Price per Box: $187.86 / Quantity Discounts Available
5/16-18 Non-Serrated Flange Hex Nut Stainless Steel 5/16-18 NO SERR HEX Flange NUT 18-8 STAINLESS STEEL [2000 PER BOX]
Price per Box: $337.50
5/16-18 Non-Serrated Flange Hex Nut Steel Zinc 5/16-18 NO SERR HEX Flange NUTS ZINC AND BAKE [1500 PER BOX]
Price per Box: $119.16 / Quantity Discounts Available
7/16-14 Non-Serrated Flange Hex Nut Steel Zinc 7/16-14 NO SERR HEX Flange NUTS ZINC AND BAKE [500 PER BOX]
Price per Box: $80.37 / Quantity Discounts Available
7/16-20 Non-Serrated Flange Hex Nut Steel Zinc 7/16-20 NO SERR HEX Flange NUTS ZINC AND BAKE [500 PER BOX]
Price per Box: $132.50 / Quantity Discounts Available
6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [5000 pieces] 6-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [5000 per box]
Price per Box: $242.03 / Quantity Discounts Available
1/2-13 Non-Serrated Flange Hex Nut Steel Zinc 1/2-13 NO SERR HEX Flange NUTS ZINC AND BAKE [250 PER BOX]
Price per Box: $64.84 / Quantity Discounts Available
1/4-20 Non-Serrated Flange Hex Nut Steel Zinc 1/4-20 NO SERR HEX Flange NUTS ZINC AND BAKE [2000 PER BOX]
Price per Box: $151.31 / Quantity Discounts Available
1/4-28 Non-Serrated Flange Hex Nut Steel Zinc 1/4-28 NO SERR HEX Flange NUTS ZINC AND BAKE [2000 PER BOX]
Price per Box: $107.35 / Quantity Discounts Available
3/8-16 Non-Serrated Flange Hex Nut Steel Zinc 3/8-16 NO SERR HEX Flange NUTS ZINC AND BAKE [1000 PER BOX]
Price per Box: $74.99 / Quantity Discounts Available
3/8-24 Non-Serrated Flange Hex Nut Steel Zinc 3/8-24 NO SERR HEX Flange NUTS ZINC AND BAKE [1000 PER BOX]
Price per Box: $81.11 / Quantity Discounts Available
5/8-11 Non-Serrated Flange Hex Nut Steel Zinc 5/8-11 NO SERR HEX Flange NUTS ZINC AND BAKE [150 PER BOX]
Price per Box: $122.06 / Quantity Discounts Available
8-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [5000 pieces] 8-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [5000 per box]
Price per Box: $185.85 / Quantity Discounts Available
10-24 Non-Serrated Flange Hex Nut Steel Zinc 10-24 NO SERR HEX Flange NUTS ZINC AND BAKE [4000 PER BOX]
Price per Box: $200.63 / Quantity Discounts Available
10-32 Non-Serrated Flange Hex Nut Steel Zinc 10-32 NO SERR HEX Flange NUTS ZINC AND BAKE [4000 PER BOX]
Price per Box: $199.21 / Quantity Discounts Available
8-32 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 pieces] 8-32 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 per box]
Price per Box: $286.65 / Quantity Discounts Available
8-32 Non-Serrated Flange Hex Nut Steel Zinc 8-32 NO SERR HEX Flange NUTS ZINC AND BAKE [5000 PER BOX]
Price per Box: $139.04 / Quantity Discounts Available
8-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [5000 pieces] 8-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [5000 per box]
Price per Box: $293.10 / Quantity Discounts Available
10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 pieces] 10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 per box]
Price per Box: $193.32 / Quantity Discounts Available
10-24 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 pieces] 10-24 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 per box]
Price per Box: $255.78 / Quantity Discounts Available
10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 pieces] 10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 per box]
Price per Box: $249.06 / Quantity Discounts Available
10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 pieces] 10-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 pieces]
Get a custom quote today!
 
5/16-18 Non-Serrated Flange Hex Nut Steel Zinc 5/16-18 NO SERR Flange NUT GRD 5 ZINC [2000 PER BOX]
Price per Box: $127.10 / Quantity Discounts Available
10-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 pieces] 10-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 per box]
Price per Box: $234.72 / Quantity Discounts Available
1/2-13 Non-Serrated Flange Hex Nut Steel Zinc 1/2-13 NO SERR Flange NUT GRD 5 ZINC [500 PER BOX]
Price per Box: $106.18 / Quantity Discounts Available
1/2-20 Non-Serrated Flange Hex Nut Steel Zinc 1/2-20 NO SERR Flange NUT GRD 5 ZINC [500 PER BOX]
Price per Box: $84.48 / Quantity Discounts Available
1/4-20 Non-Serrated Flange Hex Nut Steel Zinc 1/4-20 NO SERR Flange NUT GRD 5 ZINC [3000 PER BOX]
Price per Box: $181.16 / Quantity Discounts Available
3/4-10 Non-Serrated Flange Hex Nut Steel Zinc 3/4-10 NO SERR Flange NUT GRD 5 ZINC [200 PER BOX]
Price per Box: $235.50 / Quantity Discounts Available
3/8-16 Non-Serrated Flange Hex Nut Steel Zinc 3/8-16 NO SERR Flange NUT GRD 5 ZINC [1500 PER BOX]
Price per Box: $160.43 / Quantity Discounts Available
5/8-11 Non-Serrated Flange Hex Nut Steel Zinc 5/8-11 NO SERR Flange NUT GRD 5 ZINC [250 PER BOX]
Price per Box: $161.20 / Quantity Discounts Available
10-32 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 pieces] 10-32 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [2000 per box]
Price per Box: $147.47 / Quantity Discounts Available
10-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 pieces] 10-32 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 per box]
Price per Box: $240.99 / Quantity Discounts Available
12-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 pieces] 12-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [4000 per box]
Price per Box: $481.81 / Quantity Discounts Available
12-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 pieces] 12-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [4000 per box]
Price per Box: $578.14 / Quantity Discounts Available
1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 pieces] 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 per box]
Price per Box: $97.28 / Quantity Discounts Available
1/4-20 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [1000 pieces] 1/4-20 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [1000 per box]
Price per Box: $122.45 / Quantity Discounts Available
1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [2000 pieces] 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [2000 per box]
Price per Box: $113.09 / Quantity Discounts Available
1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [2000 pieces] 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [2000 per box]
Price per Box: $207.70 / Quantity Discounts Available
1/4-20 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 pieces] 1/4-20 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 per box]
Price per Box: $174.00 / Quantity Discounts Available
1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [2000 pieces] 1/4-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [2000 per box]
Price per Box: $145.39 / Quantity Discounts Available
1/4-28 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 pieces] 1/4-28 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [2000 per box]
Price per Box: $122.26 / Quantity Discounts Available
1/4-28 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [2000 pieces] 1/4-28 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [2000 pieces]
Get a custom quote today!
 
5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 pieces] 5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 per box]
Price per Box: $93.60 / Quantity Discounts Available
5/16-18 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [1000 pieces] 5/16-18 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [1000 per box]
Price per Box: $260.45 / Quantity Discounts Available
5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1500 pieces] 5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1500 per box]
Price per Box: $120.69 / Quantity Discounts Available
5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [1500 pieces] 5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [1500 per box]
Price per Box: $248.33 / Quantity Discounts Available
5/16-18 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 pieces] 5/16-18 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 per box]
Price per Box: $227.34 / Quantity Discounts Available
5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [1500 pieces] 5/16-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [1500 per box]
Price per Box: $153.64 / Quantity Discounts Available
5/16-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 pieces] 5/16-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1500 per box]
Price per Box: $129.11 / Quantity Discounts Available
5/16-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1500 pieces] 5/16-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1500 pieces]
Price: $180.75 Get a custom quote today!
3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 pieces] 3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 per box]
Price per Box: $41.60 / Quantity Discounts Available
3/8-16 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [500 pieces] 3/8-16 Serrated Flange Hex Lock Nuts 18 8 Stainless Steel [500 per box]
Price per Box: $187.05 / Quantity Discounts Available
3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1000 pieces] 3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1000 per box]
Price per Box: $146.94 / Quantity Discounts Available
3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [1000 pieces] 3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Zinc and Bake [1000 per box]
Price per Box: $246.15 / Quantity Discounts Available
3/8-16 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 pieces] 3/8-16 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 per box]
Price per Box: $221.62 / Quantity Discounts Available
3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [1000 pieces] 3/8-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [1000 per box]
Price per Box: $162.75 / Quantity Discounts Available
3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 pieces] 3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [1000 per box]
Price per Box: $118.16 / Quantity Discounts Available
3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1000 pieces] 3/8-24 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [1000 per box]
Price per Box: $178.65 / Quantity Discounts Available
7/16-14 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [500 pieces] 7/16-14 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [500 per box]
Price per Box: $128.29 / Quantity Discounts Available
7/16-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [500 pieces] 7/16-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [500 per box]
Price per Box: $103.60 / Quantity Discounts Available
1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 pieces] 1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 per box]
Price per Box: $50.90 / Quantity Discounts Available
1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [250 pieces] 1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [250 per box]
Price per Box: $98.02 / Quantity Discounts Available
1/2-13 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 pieces] 1/2-13 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 per box]
Price per Box: $134.70 / Quantity Discounts Available
1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [250 pieces] 1/2-13 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc Yellow and Bake [250 pieces]
Get a custom quote today!
 
1/2-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 pieces] 1/2-20 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [250 per box]
Price per Box: $80.67 / Quantity Discounts Available
9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 pieces] 9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 per box]
Price per Box: $231.80 / Quantity Discounts Available
9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [150 pieces] 9/16-12 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [150 pieces]
Get a custom quote today!
 
5/8-11 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 pieces] 5/8-11 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 per box]
Price per Box: $108.82 / Quantity Discounts Available
5/8-11 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [150 pieces] 5/8-11 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Black Oxide [150 per box]
Price per Box: $152.34 / Quantity Discounts Available
5/8-11 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 pieces] 5/8-11 Serrated Large Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 per box]
Price per Box: $162.05 / Quantity Discounts Available
5/8-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 pieces] 5/8-18 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [150 per box]
Price per Box: $101.25 / Quantity Discounts Available
3/4-10 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 pieces] 3/4-10 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 per box]
Price per Box: $103.85 / Quantity Discounts Available
3/4-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 pieces] 3/4-16 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 per box]
Price per Box: $297.00 / Quantity Discounts Available
7/8-9 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 pieces] 7/8-9 Serrated Flange Hex Lock Nuts Case Hardened HR15N 78/90 Zinc And Bake [100 per box]
Price per Box: $488.22 / Quantity Discounts Available
   
 
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