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
0942FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 5/16" External Hex Hex - Grade 2 Titanium
0925FA00057 1/2"-13 UNC Class 2B Right Hand 3/4" 5/16" External Hex Hex - Steel
0925FA00122 1/2"-13 UNC Class 2B Right Hand 3/4" 5/16" External Hex Hex - Zinc-Plated Steel
0934FA00007 1/2"-13 UNC Class 2B Right Hand 3/4" 5/16" External Hex Hex - -
0934FA00019 1/2"-13 UNC Class 2B Right Hand 3/4" 5/16" External Hex Hex - -
0872FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B1.1, ASME B18.2.2, SAE J995 Zinc Yellow-Chromate Plated Steel
0911FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 6061 Aluminum
0911FA00042 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated 6061 Aluminum
0861FA00098 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Black Corrosion-Resistant-Coated Steel
0861FA00039 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Black-Oxide Steel
0874FA00005 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Hot-Dipped Galvanized Steel
0861FA00064 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Steel
0861FA00005 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0893FA00003 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASTM A194 316 Stainless Steel
0881FA00065 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASTM F594 18-8 Stainless Steel
0888FA00073 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex ASTM F594 316 Stainless Steel
0871FA00010 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51967-15 Black-Oxide Steel
0871FA00024 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51967-15 Cadmium Yellow-Chromate Plated Steel
0884FA00007 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex Fed. Spec. FF-N-836, MS51971-5, Fed. Spec. QQ-P-35 18-8 Stainless Steel
0866FA00007 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex MS51967-14; Fed. Spec. FF-N-836 Cadmium Yellow-Chromate Plated Steel
0895FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 17-4 PH Stainless Steel
0881FA00047 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 18-8 Stainless Steel
0974FA00030 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 316 Stainless Steel
0888FA00059 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 316 Stainless Steel
0917FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 400 Nickel
0896FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - 410 Stainless Steel
0894FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - A286 Stainless Steel
0891FA00003 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Alloy 20 Stainless Steel
0881FA00108 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide 18-8 Stainless Steel
0888FA00019 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide 316 Stainless Steel
0868FA00082 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Black-Oxide Steel
0908FA00034 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Brass
0892FA00009 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Bumax 88 Stainless Steel
0918FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - C276 Nickel
0900FA00005 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Fiberglass
0915FA00009 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Grade 2 Titanium
0902FA00008 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - PTFE Plastic
0913FA00025 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Silicon Bronze
0868FA00005 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Steel
0868FA00110 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0868FA00042 1/2"-13 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Zinc-Flake-Coated Steel
0879FA00005 1/2"-13 UNC Class 2B Right Hand 3/4" 17/32" External Hex Hex - Cadmium Yellow-Chromate Plated Steel
0960FA00003 1/2"-13 UNC Class 2B Right Hand 3/4" 11/16" External Hex Hex SAE J995 Steel
0962FA00004 1/2"-13 UNC Class 2B Right Hand 3/4" 11/16" External Hex Hex - 18-8 Stainless Steel
0907FA00005 1/2"-13 UNC Class 2B Right Hand 49/64" 7/16" External Hex Hex - Acetal Plastic
0897FA00022 1/2"-13 UNC Class 2B Right Hand 49/64" 7/16" External Hex Hex - Nylon 6/6 Plastic
0904FA00004 1/2"-13 UNC Class 2B Right Hand 25/32" 7/16" External Hex Hex - PVC Plastic
0954FA00001 1/2"-13 UNC Class 2B Right Hand 0.863" 0.484" External Hex Hex ASTM A563 Black-Oxide Steel
0964FA00010 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex ASME B18.2.2 Steel
0964FA00004 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc-Plated Steel
0966FA00006 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex - 18-8 Stainless Steel
0965FA00020 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex - Black-Oxide Steel
0967FA00005 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex - Brass
0965FA00005 1/2"-13 UNC Class 2B Right Hand 7/8" 19/64" External Hex Hex - Steel
0949FA00005 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASME B18.2.2 Steel
0949FA00027 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0944FA00084 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASME B18.2.2, ASTM A194 Zinc Yellow-Chromate Plated Steel
0956FA00008 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 18-8 Stainless Steel
0957FA00004 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 316 Stainless Steel
0944FA00058 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 Black-Oxide Steel
0944FA00001 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 Blue PTFE-Coated Steel
0944FA00065 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 Hot-Dipped Galvanized Steel
0944FA00032 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 Steel
0958FA00002 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A194 Steel
0955FA00001 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A563 Black-Oxide Steel
0955FA00015 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A563 Hot-Dipped Galvanized Steel
0954FA00007 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A563 Hot-Dipped Galvanized Steel
0955FA00004 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A563 Steel
0954FA00014 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex ASTM A563 Steel
0950FA00015 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - 18-8 Stainless Steel
0951FA00017 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - 316 Stainless Steel
0917FA00011 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - 400 Nickel
0949FA00018 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - Black-Oxide Steel
0952FA00012 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - Brass
0953FA00004 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - Silicon Bronze
0946FA00013 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - Steel
0946FA00004 1/2"-13 UNC Class 2B Right Hand 7/8" 31/64" External Hex Hex - Zinc-Plated Steel
0974FA00012 1/2"-13 UNC Class 2B Right Hand, Left Hand 3/4" 5/16" External Hex Hex - Galvanized Steel
0974FA00004 1/2"-13 UNC Class 2B Right Hand, Left Hand 3/4" 5/16" External Hex Hex - Steel
0900FA00015 1/2"-20 UNC Class 2B Right Hand 3/4" 7/16" External Hex Hex - Fiberglass
0926FA00048 1/2"-20 UNF Class 2B Left Hand 3/4" 5/16" External Hex Hex ASTM A108 Black-Oxide Steel
0931FA00021 1/2"-20 UNF Class 2B Left Hand 3/4" 5/16" External Hex Hex - 18-8 Stainless Steel
0935FA00029 1/2"-20 UNF Class 2B Left Hand 3/4" 5/16" External Hex Hex - 316 Stainless Steel
0926FA00008 1/2"-20 UNF Class 2B Left Hand 3/4" 5/16" External Hex Hex - Steel
0924FA00009 1/2"-20 UNF Class 2B Left Hand 3/4" 5/16" External Hex Hex - Zinc-Plated Steel
0886FA00008 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - 18-8 Stainless Steel
0890FA00011 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - 316 Stainless Steel
0878FA00008 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - Steel
0865FA00025 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - Steel
0873FA00008 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - Zinc Yellow-Chromate Plated Steel
0865FA00008 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - Zinc-Plated Steel
0878FA00025 1/2"-20 UNF Class 2B Left Hand 3/4" 7/16" External Hex Hex - Zinc-Plated Steel
0899FA00005 1/2"-20 UNF Class 2B Right Hand 45/64" 1/4" External Hex Hex - PEEK Plastic
0925FA00041 1/2"-20 UNF Class 2B Right Hand 3/4" 3/16" External Hex Hex - Black-Oxide Steel
0927FA00017 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex ASME B18.2.2 Steel
0921FA00018 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex ASME B18.2.2 Steel
0927FA00060 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex ASME B18.2.2 Zinc Yellow-Chromate Plated Steel
0927FA00039 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0921FA00045 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex ASME B18.2.2 Zinc-Plated Steel
0932FA00012 1/2"-20 UNF Class 2B Right Hand 3/4" 5/16" External Hex Hex Fed. Spec. FF-N-836, MS35691-39 18-8 Stainless Steel
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