Carbon Steel Nuts are crucial fastening components that find their place in a variety of mechanical, structural, and industrial applications. Made from high-quality carbon steel, these nuts deliver dependable clamping force, impressive durability, and a long lifespan. They’re specifically designed to pair with compatible bolts and screws, ensuring that joints in various assemblies remain secure and stable. You can find Carbon Steel Nuts in a range of sizes, thread types, and grades, catering to the diverse needs of engineering and construction projects.
These nuts are crafted with a controlled carbon content and may also include elements like manganese to boost their strength and hardness. Depending on their grade, they provide excellent tensile strength, yield strength, and wear resistance. Surface finishes such as black, zinc-plated, or hot-dip galvanized coatings enhance their resistance to corrosion. Plus, they offer good machinability and formability, which means you can expect precise threading and consistent performance.
Specification : ASTM F568 / ASME SF568
Dimension : DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length : 3 mm to 200 mm
Type : Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts.
| Grade | C | P | S | B |
| Carbon Steel 10.9 | 0.20-0.55 | 0.025 | 0.025 | 0.003 |
| Carbon Steel 12.9 | 0.28-0.5 | 0.025 | 0.025 | 0.003 |
| Element | Nominal thread diameter size range [mm] | Proof strength [MPa] | Yield strength (min) [MPa] | Tensile strength (min) [MPa] | Hardness [Rockwell] |
| Carbon Steel 10.9 | 5–100 | 830 | 940 | 1040 | C32–39 |
| Carbon Steel 12.9 | 1.6–100 | 970 | 1100 | 1220 | C39–44 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Faisal Steel is a trustworthy manufacturer and supplier of quality Carbon Steel Nut in Muscat, OMAN. We specialize in top-grade steel products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel, with the main focus being on Carbon Steel Sheets and Plates. Our vast inventory also includes Pipes, Tubes, Flanges, Forged Fittings, and Bars. Committed to fast delivery and excellent customer service, we use only the finest raw materials to deliver excellent strength, durability, and performance for high-demand industrial uses. Contact us today for all your Carbon Steel Nut needs!
| Hex Nut NB | Across Corners | MAX Thickness | MIN Thickness | MAX Across Flats | MIN Across Flats |
|---|---|---|---|---|---|
| M 8 | 14.38 | 6.8 | 6.44 | 13 | 12.73 |
| M 10 | 17.77 | 8.4 | 8.04 | 16 | 15.73 |
| M 12 | 20.03 | 10.8 | 10.37 | 18 | 17.73 |
| M 14 | 23.35 | 12.8 | 12.1 | 21 | 20.67 |
| M 16 | 26.75 | 14.8 | 14.1 | 24 | 23.67 |
| M 18 | 29.56 | 15.8 | 15.1 | 27 | 26.16 |
| M 20 | 32.95 | 18 | 16.9 | 30 | 29.16 |
| M 22 | 37.29 | 19.4 | 18.1 | 34 | 33 |
| M 24 | 39.55 | 21.5 | 20.2 | 36 | 35 |
| M 27 | 45.2 | 23.8 | 22.5 | 41 | 40 |
| M 30 | 50.85 | 26.6 | 24.3 | 46 | 45 |
| M 33 | 55.37 | 28.7 | 27.4 | 50 | 49 |
| M 36 | 60.79 | 31 | 29.4 | 55 | 53.8 |
| M 39 | 66.44 | 33.4 | 31.8 | 60 | 58.8 |
| M 42 | 71.3 | 34 | 32.4 | 65 | 63.1 |
| M 45 | 76.95 | 36 | 34.4 | 70 | 68.1 |
| M 48 | 82.6 | 38 | 39.4 | 75 | 73.1 |
| M 52 | 88.25 | 42 | 40.4 | 80 | 78.1 |
| M 56 | 93.56 | 45 | 43.4 | 85 | 82.8 |
| M 60 | 99.21 | 48 | 46.4 | 90 | 87.8 |
| M 64 | 104.86 | 51 | 49.1 | 95 | 92.8 |
| M 68 | 110.51 | 54 | 52.1 | 100 | 97.8 |
| M 72 x 6 | 116.16 | 58 | 56.1 | 105 | 102.8 |
| M 76 x 6 | 121.81 | 61 | 59.1 | 110 | 107.8 |
| M 80 x 6 | 127.46 | 64 | 62.1 | 115 | 112.8 |
| Nominal or Basic Major Diameter of Nut Thread | Nuts Width Across Flats (F) | Width Across Corners (G) | Thickness of Hex Nuts (H) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Basic | Max | Min | Max | Min | Basic | Max | Min | ||
| 1/4 | 0.2500 | 7/16 | .438 | .428 | .505 | .488 | 7/32 | 0.226 | 0.212 |
| 5/16 | 0.3125 | 1/2 | .500 | .489 | .577 | .557 | 17/64 | 0.273 | 0.258 |
| 3/8 | 0.3750 | 9/16 | .562 | .551 | .650 | .628 | 21/64 | 0.337 | 0.320 |
| 7/16 | 0.4375 | 11/16 | .688 | .675 | .794 | .768 | 3/8 | 0.385 | 0.365 |
| 1/2 | 0.5000 | 3/4 | .750 | .736 | .866 | .840 | 7/16 | 0.448 | 0.427 |
| 9/16 | 0.5625 | 7/8 | .875 | .861 | 1.010 | .982 | 31/64 | 0.496 | 0.473 |
| 5/8 | 0.6250 | 15/16 | .938 | .922 | 1.083 | 1.051 | 35/64 | 0.559 | 0.535 |
| 3/4 | 0.7500 | 1-1/8 | 1.125 | 1.088 | 1.299 | 1.240 | 41/64 | 0.665 | 0.617 |
| 7/8 | 0.8750 | 1-5/16 | 1.312 | 1.269 | 1.516 | 1.447 | 3/4 | 0.776 | 0.724 |
| 1 | 1.0000 | 1-1/2 | 1.500 | 1.450 | 1.732 | 1.653 | 55/64 | 0.887 | 0.831 |
| 1-1/8 | 1.1250 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 31/32 | 0.999 | 0.939 |
| 1-1/4 | 1.2500 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 1-1/16 | 1.094 | 1.030 |
| 1-3/8 | 1.3750 | 2-1/16 | 2.062 | 1.994 | 2.382 | 2.273 | 1-11/64 | 1.206 | 1.138 |
| 1-1/2 | 1.5000 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 1-9/32 | 1.317 | 1.245 |
| 1-5/8 | 1.6250 | 2-7/16 | 2.438 | 2.356 | 2.815 | 2.686 | 1-25/64 | 1.429 | 1.353 |
| 1-3/4 | 1.7500 | 2-5/8 | 2.625 | 2.538 | 3.031 | 2.893 | 1-1/2 | 1.540 | 1.460 |
| 2 | 2.000 | 3 | 3.000 | 2.900 | 3.464 | 3.306 | 1-23/32 | 1.763 | 1.675 |
| 2-1/4 | 2.2500 | 3-3/8 | 3.375 | 3.263 | 3.897 | 3.719 | 1-15/16 | 1.986 | 1.890 |
| 2-1/2 | 2.5000 | 3-3/4 | 3.750 | 3.625 | 4.330 | 4.133 | 2-5/32 | 2.209 | 2.105 |
| 2-3/4 | 2.7500 | 4-1/8 | 4.125 | 3.988 | 4.763 | 4.456 | 2-3/8 | 2.431 | 2.319 |
| 3 | 3.000 | 4-1/2 | 4.500 | 4.350 | 5.196 | 4.959 | 2-19/32 | 2.654 | 2.534 |
You’ll often see Carbon Steel Nuts in construction structures, machinery assembly, automotive components, pipelines, flanges, and various industrial equipment. They’re perfect for general-purpose fastening as well as heavy-duty applications where strength and reliability are paramount. With their versatility, cost-effectiveness, and solid mechanical performance, Carbon Steel Nuts are a go-to choice across many industries.
FAISAL Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Muscat, OMAN.
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