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
0868FA00020 3/4"-16 UNF Class 2B Right Hand 1 1/8" 41/64" External Hex Hex - Steel
0868FA00115 3/4"-16 UNF Class 2B Right Hand 1 1/8" 41/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0868FA00049 3/4"-16 UNF Class 2B Right Hand 1 1/8" 41/64" External Hex Hex - Zinc-Flake-Coated Steel
0879FA00014 3/4"-16 UNF Class 2B Right Hand 1 1/8" 25/32" External Hex Hex - Cadmium Yellow-Chromate Plated Steel
0960FA00011 3/4"-16 UNF Class 2B Right Hand 1 1/8" 1" External Hex Hex SAE J995 Steel
0944FA00037 3/4"-16 UNF Class 2B Right Hand 1 1/4" 47/64" External Hex Hex ASME B18.2.2, ASTM A194 Steel
0944FA00089 3/4"-16 UNF Class 2B Right Hand 1 1/4" 47/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc Yellow-Chromate Plated Steel
0956FA00014 3/4"-16 UNF Class 2B Right Hand 1 1/4" 47/64" External Hex Hex ASTM A194 18-8 Stainless Steel
0950FA00023 3/4"-16 UNF Class 2B Right Hand 1 1/4" 47/64" External Hex Hex - 18-8 Stainless Steel
0951FA00022 3/4"-16 UNF Class 2B Right Hand 1 1/4" 47/64" External Hex Hex - 316 Stainless Steel
0928FA00031 3/4"-20 UNEF Class 2B Right Hand 1 1/8" 27/64" External Hex Hex - 18-8 Stainless Steel
0911FA00027 3/4"-20 UNEF Class 2B Right Hand 1 1/8" 41/64" External Hex Hex ASME B18.2.2 6061 Aluminum
0881FA00055 3/4"-20 UNEF Class 2B Right Hand 1 1/8" 41/64" External Hex Hex - 18-8 Stainless Steel
0926FA00045 3/8"-16 UNC Class 2B Left Hand 9/16" 7/32" External Hex Hex ASTM A108 Black-Oxide Steel
0931FA00018 3/8"-16 UNC Class 2B Left Hand 9/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0935FA00025 3/8"-16 UNC Class 2B Left Hand 9/16" 7/32" External Hex Hex - 316 Stainless Steel
0926FA00003 3/8"-16 UNC Class 2B Left Hand 9/16" 7/32" External Hex Hex - Steel
0924FA00005 3/8"-16 UNC Class 2B Left Hand 9/16" 7/32" External Hex Hex - Zinc-Plated Steel
0974FA00021 3/8"-16 UNC Class 2B Left Hand 9/16" 5/16" External Hex Hex - 316 Stainless Steel
0886FA00005 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - 18-8 Stainless Steel
0890FA00006 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - 316 Stainless Steel
0878FA00002 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - Steel
0865FA00020 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - Steel
0873FA00004 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0865FA00004 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc-Plated Steel
0878FA00021 3/8"-16 UNC Class 2B Left Hand 9/16" 21/64" External Hex Hex - Zinc-Plated Steel
0947FA00003 3/8"-16 UNC Class 2B Left Hand 11/16" 23/64" External Hex Hex - Steel
0939FA00002 3/8"-16 UNC Class 2B Right Hand 33/64" 1/8" External Hex Hex - Nylon 6/6 Plastic
0940FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 6061 Aluminum
0941FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Silicon Bronze
0927FA00012 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Steel
0921FA00013 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Steel
0927FA00045 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc Yellow-Chromate Plated Steel
0927FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc-Flake-Coated Steel
0921FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0932FA00009 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex Fed. Spec. FF-N-836, MS35691-19 18-8 Stainless Steel
0928FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - 18-8 Stainless Steel
0928FA00036 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0925FA00048 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Black-Oxide Steel
0936FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Brass
0942FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Grade 2 Titanium
0925FA00055 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Steel
0925FA00113 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - Zinc-Plated Steel
0934FA00005 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - -
0934FA00018 3/8"-16 UNC Class 2B Right Hand 9/16" 7/32" External Hex Hex - -
0872FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B1.1, ASME B18.2.2, SAE J995 Zinc Yellow-Chromate Plated Steel
0911FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 6061 Aluminum
0911FA00041 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated 6061 Aluminum
0861FA00095 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated Steel
0861FA00037 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Black-Oxide Steel
0874FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Hot-Dipped Galvanized Steel
0861FA00062 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Steel
0861FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0893FA00002 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASTM A194 316 Stainless Steel
0881FA00061 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASTM F594 18-8 Stainless Steel
0888FA00071 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex ASTM F594 316 Stainless Steel
0906FA00006 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex FDA Compliant 21 CFR 177.2510, NSF/ANSI 61, UL 94 V-0 PVDF Plastic
0871FA00006 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51967-9 Black-Oxide Steel
0871FA00020 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51967-9 Cadmium Yellow-Chromate Plated Steel
0884FA00005 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex Fed. Spec. FF-N-836, MS51971-3, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0866FA00005 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex MS51967-8; Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0895FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - 17-4 PH Stainless Steel
0881FA00025 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - 18-8 Stainless Steel
0888FA00055 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - 316 Stainless Steel
0917FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - 400 Nickel
0896FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - 410 Stainless Steel
0894FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - A286 Stainless Steel
0907FA00004 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Acetal Plastic
0891FA00002 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Alloy 20 Stainless Steel
0881FA00104 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00015 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide 316 Stainless Steel
0868FA00078 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Black-Oxide Steel
0908FA00030 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Brass
0892FA00008 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Bumax 88 Stainless Steel
0918FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - C276 Nickel
0919FA00010 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Ceramic
0900FA00004 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Fiberglass
0915FA00008 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Grade 2 Titanium
0897FA00021 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Nylon 6/6 Plastic
0902FA00007 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - PTFE Plastic
0913FA00021 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Silicon Bronze
0868FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Steel
0868FA00066 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0868FA00038 3/8"-16 UNC Class 2B Right Hand 9/16" 21/64" External Hex Hex - Zinc-Flake-Coated Steel
0974FA00029 3/8"-16 UNC Class 2B Right Hand 9/16" 11/32" External Hex Hex - 316 Stainless Steel
0879FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 25/64" External Hex Hex - Cadmium Yellow-Chromate Plated Steel
0960FA00002 3/8"-16 UNC Class 2B Right Hand 9/16" 17/32" External Hex Hex SAE J995 Steel
0962FA00003 3/8"-16 UNC Class 2B Right Hand 9/16" 17/32" External Hex Hex - 18-8 Stainless Steel
0904FA00003 3/8"-16 UNC Class 2B Right Hand 19/32" 21/64" External Hex Hex - PVC Plastic
0884FA00019 3/8"-16 UNC Class 2B Right Hand 5/8" 1/4" External Hex Hex Fed. Spec. FF-N-836, MS35649-2384, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0875FA00009 3/8"-16 UNC Class 2B Right Hand 5/8" 1/4" External Hex Hex MS35649-2382, Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0899FA00013 3/8"-16 UNC Class 2B Right Hand 5/8" 1/4" External Hex Hex - PEEK Plastic
0913FA00006 3/8"-16 UNC Class 2B Right Hand 5/8" 1/4" External Hex Hex - Silicon Bronze
0964FA00008 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex ASME B18.2.2 Steel
0964FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc-Plated Steel
0966FA00005 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex - 18-8 Stainless Steel
0965FA00018 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex - Black-Oxide Steel
0967FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex - Brass
0965FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 15/64" External Hex Hex - Steel
0949FA00003 3/8"-16 UNC Class 2B Right Hand 11/16" 23/64" External Hex Hex ASME B18.2.2 Steel
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