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
Thread Type
Part Number Thread Size Thread Type Thread Fit Thread Direction Width Height Drive Style Nut Type Specifications Met Material
0949FA00021 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0944FA00082 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc Yellow-Chromate Plated Steel
0956FA00005 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 18-8 Stainless Steel
0957FA00002 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 316 Stainless Steel
0944FA00056 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 Black-Oxide Steel
0944FA00064 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 Hot-Dipped Galvanized Steel
0944FA00030 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 Steel
0958FA00001 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 Steel
0950FA00012 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - 18-8 Stainless Steel
0951FA00013 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - 316 Stainless Steel
0949FA00017 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - Black-Oxide Steel
0952FA00010 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - Brass
0953FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - Silicon Bronze
0946FA00011 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - Steel
0946FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex - Zinc-Plated Steel
0974FA00011 3/8"-16 UNC Class 2B Right Hand, Left Hand 9/16" 7/32" External Hex Hex - Galvanized Steel
0974FA00003 3/8"-16 UNC Class 2B Right Hand, Left Hand 9/16" 7/32" External Hex Hex - Steel
0900FA00014 3/8"-24 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Fiberglass
0926FA00046 3/8"-24 UNF Class 2B Left Hand 9/16" 7/32" External Hex Hex ASTM A108 Black-Oxide Steel
0931FA00019 3/8"-24 UNF Class 2B Left Hand 9/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0935FA00026 3/8"-24 UNF Class 2B Left Hand 9/16" 7/32" External Hex Hex - 316 Stainless Steel
0926FA00006 3/8"-24 UNF Class 2B Left Hand 9/16" 7/32" External Hex Hex - Steel
0924FA00006 3/8"-24 UNF Class 2B Left Hand 9/16" 7/32" External Hex Hex - Zinc-Plated Steel
0886FA00006 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - 18-8 Stainless Steel
0890FA00007 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - 316 Stainless Steel
0878FA00007 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Steel
0865FA00021 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Steel
0865FA00014 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0873FA00005 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0865FA00005 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc-Plated Steel
0878FA00022 3/8"-24 UNF Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc-Plated Steel
0927FA00013 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Steel
0921FA00014 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Steel
0927FA00056 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc Yellow-Chromate Plated Steel
0927FA00037 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0921FA00041 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0932FA00010 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex Fed. Spec. FF-N-836, MS35691-23 18-8 Stainless Steel
0928FA00011 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0928FA00039 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0936FA00019 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - Brass
0925FA00068 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - Steel
0925FA00119 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - Zinc-Plated Steel
0934FA00006 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - -
0934FA00024 3/8"-24 UNF Class 2B Right Hand 9/16" 7/32" External Hex Hex - -
0911FA00010 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 6061 Aluminum
0861FA00038 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Black-Oxide Steel
0861FA00072 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Steel
0861FA00010 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0881FA00062 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASTM F594 18-8 Stainless Steel
0888FA00080 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASTM F594 316 Stainless Steel
0871FA00007 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51968-9 Black-Oxide Steel
0871FA00021 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51968-9 Cadmium Yellow-Chromate Plated Steel
0884FA00006 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51972-3, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0866FA00006 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex MS51968-8; Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0881FA00035 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - 18-8 Stainless Steel
0888FA00056 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - 316 Stainless Steel
0881FA00105 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00016 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide 316 Stainless Steel
0868FA00079 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide Steel
0908FA00031 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Brass
0897FA00016 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Nylon 6/6 Plastic
0902FA00013 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - PTFE Plastic
0913FA00022 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Silicon Bronze
0868FA00012 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Steel
0868FA00107 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0868FA00039 3/8"-24 UNF Class 2B Right Hand 9/16" 21/64" External Hex Hex - Zinc-Flake-Coated Steel
0879FA00010 3/8"-24 UNF Class 2B Right Hand 9/16" 25/64" External Hex Hex - Cadmium Yellow-Chromate Plated Steel
0960FA00015 3/8"-24 UNF Class 2B Right Hand 9/16" 17/32" External Hex Hex SAE J995 Steel
0884FA00023 3/8"-24 UNF Class 2B Right Hand 5/8" 1/4" External Hex Hex Fed. Spec. FF-N-836, MS35649-3384, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0899FA00003 3/8"-24 UNF Class 2B Right Hand 5/8" 1/4" External Hex Hex - PEEK Plastic
0944FA00031 3/8"-24 UNF Class 2B Right Hand 11/16" 23/64" External Hex Hex ASME B18.2.2, ASTM A194 Steel
0944FA00083 3/8"-24 UNF Class 2B Right Hand 11/16" 23/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc Yellow-Chromate Plated Steel
0956FA00006 3/8"-24 UNF Class 2B Right Hand 11/16" 23/64" External Hex Hex ASTM A194 18-8 Stainless Steel
0950FA00013 3/8"-24 UNF Class 2B Right Hand 11/16" 23/64" External Hex Hex - 18-8 Stainless Steel
0951FA00014 3/8"-24 UNF Class 2B Right Hand 11/16" 23/64" External Hex Hex - 316 Stainless Steel
0911FA00020 3/8"-32 UNEF Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 6061 Aluminum
0881FA00087 3/8"-32 UNEF Class 2B Right Hand 9/16" 21/64" External Hex Hex - 18-8 Stainless Steel
0897FA00008 3/8"-32 UNEF Class 2B Right Hand 9/16" 11/32" External Hex Hex - Nylon 6/6 Plastic
0908FA00020 4-36 UNS Class 2B Right Hand 1/4" 3/32" External Hex Hex - Brass
0931FA00026 4-40 UNC Class 2B Left Hand 1/4" 1/16" External Hex Hex - 18-8 Stainless Steel
0935FA00017 4-40 UNC Class 2B Left Hand 1/4" 1/16" External Hex Hex - 316 Stainless Steel
0969FA00004 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - 18-8 Stainless Steel
0971FA00004 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - 316 Stainless Steel
0969FA00015 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0972FA00008 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - Black-Oxide Steel
0973FA00005 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - Brass
0972FA00014 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - Steel
0972FA00001 4-40 UNC Class 2B Right Hand 3/16" 1/16" External Hex Hex - Zinc-Plated Steel
0911FA00031 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex ASME B18.2.2 6061 Aluminum
0884FA00013 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex Fed. Spec. FF-N-836, MS35649-244, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0875FA00002 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex MS35649-242, Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0881FA00006 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - 18-8 Stainless Steel
0888FA00036 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - 316 Stainless Steel
0881FA00091 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00002 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Black-Oxide 316 Stainless Steel
0908FA00004 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Brass
0919FA00002 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Ceramic
0900FA00001 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Fiberglass
0915FA00002 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - Grade 2 Titanium
0899FA00014 4-40 UNC Class 2B Right Hand 1/4" 3/32" External Hex Hex - PEEK Plastic
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