Hex Nuts

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Hex Nuts

Hex Nuts are the most common type of nut, featuring a six-sided design that provides excellent wrenching surfaces for easy installation and removal. At Skdin, we offer high-quality Hex Nuts in various grades, materials, and finishes for a wide range of industrial, construction, and manufacturing applications. These versatile nuts provide reliable fastening when used with matching bolts and are available in standard, heavy, and jam nut configurations. Our hex nuts are manufactured to precise standards, ensuring consistent thread quality and dimensional accuracy. Explore our selection to find the perfect hex nuts for your fastening requirements.

System of Measurement
Inch Metric
Thread Size
0-80 00-90 00-96 000-120 0000-160 1 1/2"-12 1 1/2"-6 1 1/2"-8 1 1/4"-12 1 1/4"-7 1 1/4"-8 1 1/8"-12 1 1/8"-7 1 1/8"-8 1 3/4"-12 1 3/4"-5 1 3/4"-8 1 3/8"-12 1 3/8"-6 1 3/8"-8 1 5/8"-12 1 5/8"-8 1 7/8"-12 1 7/8"-8 1"-12 1"-14 1"-8 1-64 1-72 1/2"-13 1/2"-20 1/2"-28 1/4"-20 1/4"-28 1/4"-32 10-24 10-32 11/16"-24 11/16"-27 12-24 12-28 2 1/2"-12 2 1/2"-4 2 1/4"-12 2 1/4"-4 1/2 2 1/4"-8 2"-12 2"-4 1/2 2"-8 2-56 2-64 3"-12 3-48 3-56 3/4"-10 3/4"-16 3/4"-20 3/8"-16 3/8"-24 3/8"-32 4-36 4-40 4-48 5-40 5-44 5/16"-18 5/16"-24 5/16"-32 5/8"-11 5/8"-18 5/8"-24 6-32 6-40 7/16"-14 7/16"-20 7/16"-28 7/8"-14 7/8"-20 7/8"-9 8-32 8-36 9/16"-12 9/16"-18 M1 M1.2 M1.4 M1.6 M1.7 M1.8 M10 M12 M14 M16 M18 M2 M2.3 M2.5 M2.6 M20 M22 M24 M27 M3 M3.5 M30 M33 M36 M39 M4 M42 M45 M48 M5 M52 M56 M6 M60 M64 M7 M72 M8
Material
17-4 PH Stainless Steel 18-8 Stainless Steel 316 Stainless Steel 400 Nickel 410 Stainless Steel 6061 Aluminum A286 Stainless Steel Acetal Plastic Alloy 20 Stainless Steel Black Corrosion-Resistant-Coated 6061 Aluminum Black Corrosion-Resistant-Coated Steel Black-Oxide 18-8 Stainless Steel Black-Oxide 316 Stainless Steel Black-Oxide Steel Blue Dyed Steel Blue PTFE-Coated Steel Brass Bumax 88 Stainless Steel C276 Nickel Cadmium Yellow-Chromate Plated Steel Ceramic Fiberglass Galvanized Steel Glass-Filled Nylon Plastic Grade 2 Titanium Hot-Dipped Galvanized Steel Nickel-Plated Brass Nylon 6/6 Plastic PEEK Plastic PTFE Plastic PTFE-Coated 18-8 Stainless Steel PVC Plastic PVDF Plastic Polycarbonate Plastic Polypropylene Plastic Silicon Bronze Steel Zinc Yellow-Chromate Plated Steel Zinc-Flake-Coated Steel Zinc-Plated Steel
Width
1/16" 5/64" 3/32" 7/64" 1/8" 5/32" 3/16" 1/4" 17/64" 5/16" 11/32" 3/8" 27/64" 7/16" 15/32" 1/2" 33/64" 17/32" 9/16" 19/32" 5/8" 11/16" 45/64" 3/4" 49/64" 25/32" 0.863" 7/8" 29/32" 59/64" 15/16" 61/64" 1" 1 1/32" 1.047" 1 1/16" 1 7/64" 1 1/8" 1.231" 1 1/4" 1 19/64" 1 5/16" 1.416" 1 7/16" 1 15/32" 1 31/64" 1 1/2" 1.6" 1 5/8" 1 11/16" 1 3/4" 1 13/16" 1 7/8" 1 15/16" 1.969" 2" 2 1/16" 2 3/16" 2 1/4" 2 3/8" 2 7/16" 2 9/16" 2 5/8" 2 3/4" 2 13/16" 2 15/16" 3" 3 1/8" 3 3/8" 3 1/2" 3 3/4" 3 7/8" 4 1/2" 2.5 mm 3 mm 3.2 mm 3.5 mm 3.9 mm 4 mm 4.5 mm 4.8 mm 4.9 mm 5 mm 5.32 mm 5.4 mm 5.5 mm 6 mm 6.78 mm 6.8 mm 6.9 mm 7 mm 7.5 mm 7.78 mm 7.8 mm 7.9 mm 8 mm 9.78 mm 9.9 mm 10 mm 11 mm 12 mm 12.73 mm 12.85 mm 12.9 mm 13 mm 14 mm 14.8 mm 15.85 mm 16 mm 17 mm 17.74 mm 17.9 mm 18 mm 19 mm 21 mm 22 mm 24 mm 27 mm 30 mm 32 mm 33 mm 36 mm 41 mm 46 mm 49 mm 50 mm 55 mm 60 mm 65 mm 70 mm 75 mm 80 mm 85 mm 90 mm 100 mm 105 mm
Height
1/32" 3/64" 1/16" 5/64" 3/32" 7/64" 1/8" 9/64" 5/32" 11/64" 3/16" 13/64" 7/32" 15/64" 1/4" 17/64" 9/32" 19/64" 5/16" 21/64" 11/32" 23/64" 3/8" 25/64" 13/32" 27/64" 7/16" 0.484" 31/64" 1/2" 33/64" 17/32" 35/64" 9/16" 0.609" 39/64" 41/64" 21/32" 11/16" 23/32" 0.734" 47/64" 3/4" 49/64" 25/32" 27/32" 0.859" 55/64" 7/8" 29/32" 31/32" 0.984" 63/64" 1" 1 1/32" 1 1/16" 1 3/32" 1 7/64" 1 9/64" 1 5/32" 1 11/64" 1 3/16" 1 7/32" 1.219" 1 1/4" 1 9/32" 1 5/16" 1 11/32" 1 13/32" 1 29/64" 1 15/32" 1 1/2" 1 19/32" 1 5/8" 1 21/32" 1 23/32" 1 3/4" 1 27/32" 1 31/32" 2" 2 1/64" 2 13/64" 2 29/64" 0.8 mm 1 mm 1.2 mm 1.3 mm 1.4 mm 1.6 mm 1.7 mm 1.8 mm 2 mm 2.2 mm 2.4 mm 2.5 mm 2.7 mm 2.8 mm 2.9 mm 3 mm 3.2 mm 3.5 mm 4 mm 4.3 mm 4.4 mm 4.9 mm 5 mm 5.2 mm 5.4 mm 5.5 mm 6 mm 6.3 mm 6.4 mm 6.5 mm 6.8 mm 7 mm 8 mm 8.4 mm 9 mm 9.8 mm 10 mm 10.54 mm 10.8 mm 11 mm 12 mm 13 mm 13.5 mm 14 mm 14.3 mm 14.8 mm 15 mm 16 mm 16.5 mm 17 mm 18 mm 19 mm 19.5 mm 20 mm 20.7 mm 21 mm 22 mm 22.5 mm 22.7 mm 23 mm 24 mm 24.7 mm 26 mm 27 mm 27.4 mm 28 mm 29 mm 30 mm 31 mm 33 mm 34 mm 36 mm 38 mm 39 mm 42 mm 45 mm 48 mm 52 mm 56 mm 58 mm 64 mm
Thread Type
Metric UN UNC UNEF UNF UNS
Thread Direction
Left Hand Right Hand Right Hand, Left Hand
Thread Pitch
0.25 mm 0.3 mm 0.35 mm 0.4 mm 0.45 mm 0.5 mm 0.6 mm 0.7 mm 0.75 mm 0.8 mm 1 mm 1.25 mm 1.5 mm 1.75 mm 2 mm 2.5 mm 3 mm 3.5 mm 4 mm 4.5 mm 5 mm 5.5 mm 6 mm
Fastener Strength Grade/Class
ASTM Grade 2H ASTM Grade 7 ASTM Grade 8 ASTM Grade 8M ASTM Grade C ASTM Grade DH Class 04 Class 10 Class 12 Class 5 Class 6 Class 8 Grade 2 Grade 5 Grade 8 Grade 9
Part Number Thread Size Thread Type Thread Fit Thread Direction Width Height Drive Style Nut Type Specifications Met Material
0928FA00021 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - 18-8 Stainless Steel
0928FA00040 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0936FA00011 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - Brass
0925FA00070 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - Steel
0925FA00123 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - Zinc-Plated Steel
0934FA00008 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - -
0934FA00026 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex - -
0911FA00013 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 6061 Aluminum
0861FA00040 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Black-Oxide Steel
0861FA00074 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Steel
0861FA00012 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0881FA00066 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASTM F594 18-8 Stainless Steel
0888FA00082 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASTM F594 316 Stainless Steel
0871FA00011 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51968-15 Black-Oxide Steel
0871FA00025 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51968-15 Cadmium Yellow-Chromate Plated Steel
0884FA00008 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51972-5, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0866FA00008 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex MS51968-14; Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0881FA00037 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - 18-8 Stainless Steel
0888FA00060 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - 316 Stainless Steel
0881FA00109 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00020 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide 316 Stainless Steel
0868FA00083 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide Steel
0908FA00035 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Brass
0902FA00014 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - PTFE Plastic
0913FA00026 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Silicon Bronze
0868FA00014 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Steel
0868FA00111 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0868FA00043 1/2"-20 UNF Class 2B Right Hand 3/4" 7/16" External Hex Hex - Zinc-Flake-Coated Steel
0879FA00012 1/2"-20 UNF Class 2B Right Hand 3/4" 17/32" External Hex Hex - Cadmium Yellow-Chromate Plated Steel
0960FA00008 1/2"-20 UNF Class 2B Right Hand 3/4" 11/16" External Hex Hex SAE J995 Steel
0897FA00019 1/2"-20 UNF Class 2B Right Hand 49/64" 7/16" External Hex Hex - Nylon 6/6 Plastic
0944FA00033 1/2"-20 UNF Class 2B Right Hand 7/8" 31/64" External Hex Hex ASME B18.2.2, ASTM A194 Steel
0944FA00085 1/2"-20 UNF Class 2B Right Hand 7/8" 31/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc Yellow-Chromate Plated Steel
0956FA00010 1/2"-20 UNF Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 18-8 Stainless Steel
0950FA00016 1/2"-20 UNF Class 2B Right Hand 7/8" 31/64" External Hex Hex - 18-8 Stainless Steel
0951FA00016 1/2"-20 UNF Class 2B Right Hand 7/8" 31/64" External Hex Hex - 316 Stainless Steel
0928FA00030 1/2"-28 UNEF Class 2B Right Hand 3/4" 5/16" External Hex Hex - 18-8 Stainless Steel
0911FA00022 1/2"-28 UNEF Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 6061 Aluminum
0881FA00053 1/2"-28 UNEF Class 2B Right Hand 3/4" 7/16" External Hex Hex - 18-8 Stainless Steel
0931FA00014 1/4"-20 UNC Class 2B Left Hand 7/16" 5/32" External Hex Hex - 18-8 Stainless Steel
0935FA00022 1/4"-20 UNC Class 2B Left Hand 7/16" 5/32" External Hex Hex - 316 Stainless Steel
0926FA00001 1/4"-20 UNC Class 2B Left Hand 7/16" 5/32" External Hex Hex - Steel
0924FA00001 1/4"-20 UNC Class 2B Left Hand 7/16" 5/32" External Hex Hex - Zinc-Plated Steel
0886FA00001 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0974FA00019 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - 316 Stainless Steel
0890FA00002 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - 316 Stainless Steel
0878FA00001 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - Steel
0865FA00016 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - Steel
0873FA00001 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0878FA00016 1/4"-20 UNC Class 2B Left Hand 7/16" 7/32" External Hex Hex - Zinc-Plated Steel
0947FA00002 1/4"-20 UNC Class 2B Left Hand 1/2" 15/64" External Hex Hex - Steel
0901FA00005 1/4"-20 UNC Class 2B Right Hand 27/64" 15/64" External Hex Hex - Polycarbonate Plastic
0940FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 6061 Aluminum
0941FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Silicon Bronze
0927FA00008 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Steel
0921FA00009 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Steel
0927FA00043 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Zinc Yellow-Chromate Plated Steel
0927FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Zinc-Flake-Coated Steel
0921FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0932FA00005 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex Fed. Spec. FF-N-836, MS35691-3 18-8 Stainless Steel
0928FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - 18-8 Stainless Steel
0928FA00034 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0925FA00046 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Black-Oxide Steel
0936FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Brass
0942FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Grade 2 Titanium
0939FA00007 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Nylon 6/6 Plastic
0925FA00053 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Steel
0925FA00111 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - Zinc-Plated Steel
0934FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - -
0934FA00013 1/4"-20 UNC Class 2B Right Hand 7/16" 5/32" External Hex Hex - -
0884FA00017 1/4"-20 UNC Class 2B Right Hand 7/16" 3/16" External Hex Hex Fed. Spec. FF-N-836, MS35649-2254, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0875FA00007 1/4"-20 UNC Class 2B Right Hand 7/16" 3/16" External Hex Hex MS35649-2252, Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0899FA00011 1/4"-20 UNC Class 2B Right Hand 7/16" 3/16" External Hex Hex - PEEK Plastic
0881FA00084 1/4"-20 UNC Class 2B Right Hand 7/16" 3/16" External Hex Hex - PTFE-Coated 18-8 Stainless Steel
0913FA00005 1/4"-20 UNC Class 2B Right Hand 7/16" 3/16" External Hex Hex - Silicon Bronze
0872FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B1.1, ASME B18.2.2, SAE J995 Zinc Yellow-Chromate Plated Steel
0911FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 6061 Aluminum
0911FA00039 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated 6061 Aluminum
0861FA00093 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated Steel
0861FA00033 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Black-Oxide Steel
0874FA00002 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Hot-Dipped Galvanized Steel
0861FA00060 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Steel
0861FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0881FA00057 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASTM F594 18-8 Stainless Steel
0888FA00069 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex ASTM F594 316 Stainless Steel
0871FA00002 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex Fed. Spec. FF-N-836, MS51967-3 Black-Oxide Steel
0871FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex Fed. Spec. FF-N-836, MS51967-3 Cadmium Yellow-Chromate Plated Steel
0884FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex Fed. Spec. FF-N-836, MS51971-1, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0866FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex MS51967-2; Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0895FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 17-4 PH Stainless Steel
0881FA00023 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0974FA00027 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 316 Stainless Steel
0888FA00042 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 316 Stainless Steel
0917FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 400 Nickel
0896FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - 410 Stainless Steel
0894FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - A286 Stainless Steel
0891FA00001 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - Alloy 20 Stainless Steel
0881FA00097 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00011 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - Black-Oxide 316 Stainless Steel
0868FA00074 1/4"-20 UNC Class 2B Right Hand 7/16" 7/32" External Hex Hex - Black-Oxide Steel
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