Yousef Steel, a trusted manufacturer and supplier based in Riyadh, Saudi Arabia, proudly offers a diverse selection of Carbon Steel Screws that stand out for their durability, strength, and precision. Crafted from high-quality carbon steel, these screws guarantee exceptional mechanical performance and a long lifespan, even in the toughest conditions. With their precise threading and superior finish, they deliver reliable fastening solutions for a variety of industrial and commercial needs. Yousef Steel is committed to maintaining strict quality control, offering competitive prices, and ensuring timely delivery, making their carbon steel screws a go-to choice across numerous sectors.
These Carbon Steel Screws are primarily made of carbon and iron, with carefully controlled amounts of manganese, phosphorus, and sulfur added to boost their strength and machinability. Their impressive mechanical properties include high tensile and yield strength, outstanding hardness, and wear resistance, which ensures they perform reliably under pressure. They also boast good weldability and can be treated with coatings like galvanization or black oxide to enhance their corrosion resistance, making them adaptable to various working environments.
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 Cap Screws, Socket Set Screws, Anchor Screws, Blind Rivet, Socket Head Screws, Concrete Screws, Shoulder Screws, Panel Screws, Threaded Screws, Machine Screws etc.
| 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.
Yousef Steel is a trustworthy manufacturer and supplier of quality Carbon Steel Screw in Riyadh, Saudi Arabia. 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 Screw needs!
| Screw Nom. Size Thread Pitch | Body Diameter D | Head Diameter A | Head Height H | Chamfer or Radius S | Hexagon Socket Size J | Spline Socket Sizea M | Key Engagement T | Transition Dia. B | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Max | Min | Max | Min | Max | Min | Max | Nom. | Nom. | Min | Max | |
| M1.6 × 0.35 | 1.60 | 1.46 | 3.00 | 2.87 | 1.60 | 1.52 | 0.16 | 1.5 | 1.829 | 0.80 | 2.0 |
| M2 × 0.4 | 2.00 | 1.86 | 3.80 | 3.65 | 2.00 | 1.91 | 0.20 | 1.5 | 1.829 | 1.00 | 2.6 |
| M2.5 × 0.45 | 2.50 | 2.36 | 4.50 | 4.33 | 2.50 | 2.40 | 0.25 | 2.0 | 2.438 | 1.25 | 3.1 |
| M3 × 0.5 | 3.00 | 2.86 | 5.50 | 5.32 | 3.00 | 2.89 | 0.30 | 2.5 | 2.819 | 1.50 | 3.6 |
| M4 × 0.7 | 4.00 | 3.82 | 7.00 | 6.80 | 4.00 | 3.88 | 0.40 | 3.0 | 3.378 | 2.00 | 4.7 |
| M5 × 0.8 | 5.00 | 4.82 | 8.50 | 8.27 | 5.00 | 4.86 | 0.50 | 4.0 | 4.648 | 2.50 | 5.7 |
| M6 × 1 | 6.00 | 5.82 | 10.00 | 9.74 | 6.00 | 5.85 | 0.60 | 5.0 | 5.486 | 3.00 | 6.8 |
| M8 × 1.25 | 8.00 | 7.78 | 13.00 | 12.70 | 8.00 | 7.83 | 0.80 | 6.0 | 7.391 | 4.00 | 9.2 |
| M10 × 1.5 | 10.00 | 9.78 | 16.00 | 15.67 | 10.00 | 9.81 | 1.00 | 8.0 | … | 5.00 | 11.2 |
| M12 × 1.75 | 12.00 | 11.73 | 18.00 | 17.63 | 12.00 | 11.79 | 1.20 | 10.0 | … | 6.00 | 14.2 |
| M14 × 2b | 14.00 | 13.73 | 21.00 | 20.60 | 14.00 | 13.77 | 1.40 | 12.0 | … | 7.00 | 16.2 |
| M16 × 2 | 16.00 | 15.73 | 24.00 | 23.58 | 16.00 | 15.76 | 1.60 | 14.0 | … | 8.00 | 18.2 |
| M20 × 2.5 | 20.00 | 19.67 | 30.00 | 29.53 | 20.00 | 19.73 | 2.00 | 17.0 | … | 10.00 | 22.4 |
| M24 × 3 | 24.00 | 23.67 | 36.00 | 35.48 | 24.00 | 23.70 | 2.40 | 19.0 | … | 12.00 | 26.4 |
| M30 × 3.5 | 30.00 | 29.67 | 45.00 | 44.42 | 30.00 | 29.67 | 3.00 | 22.0 | … | 15.00 | 33.4 |
| M36 × 4 | 36.00 | 35.61 | 54.00 | 53.37 | 36.00 | 35.64 | 3.60 | 27.0 | … | 18.00 | 39.4 |
| M42 × 4.5 | 42.00 | 41.61 | 63.00 | 62.31 | 42.00 | 41.61 | 4.20 | 32.0 | … | 21.00 | 45.6 |
| M48 × 5 | 48.00 | 47.61 | 72.00 | 71.27 | 48.00 | 47.58 | 4.80 | 36.0 | … | 24.00 | 52.6 |
| Screw Size | Body Dia | Hex Key Size | Head Height | Head Dia | Maximum Thread Length | Minimum Thread Length |
|---|---|---|---|---|---|---|
| No. 0 | 0.06 | 0.05 | 0.06 | 0.096 | 5/8 | 3/8 |
| No. 1 | 0.073 | 1/16 | 0.073 | 0.118 | 7/8 | 3/8 |
| No. 2 | 0.086 | 5/64 | 0.086 | 0.14 | 7/8 | 1/2 |
| No. 3 | 0.099 | 5/64 | 0.099 | 0.161 | 7/8 | 1/2 |
| No. 4 | 0.112 | 3/32 | 0.112 | 0.183 | 11/8 | 11/16 |
| No. 5 | 0.125 | 3/32 | 0.125 | 0.205 | 1 | 11/16 |
| No. 6 | 0.138 | 7/64 | 0.138 | 0.226 | 11/8 | 11/16 |
| No. 8 | 0.164 | 9/64 | 0.164 | 0.27 | 11/4 | 3/4 |
| No. 10 | 0.19 | 5/32 | 0.19 | 0.312 | 13/8 | 15/16 |
| No. 12 | 0.216 | 5/32 | 0.216 | 0.345 | 11/4 | 15/16 |
| 1/4 | 0.250 | 3/16 | 1/4 | 3/8 | 11/2 | 15/16 |
| 5/16 | 0.3125 | 1/4 | 5/16 | 15/32 | 1-3/4 | 1-1/16 |
| 3/8 | 0.375 | 5/16 | 3/8 | 9/16 | 2 | 1-3/16 |
| 7/16 | 0.438 | 3/8 | 7/16 | 21/32 | 2-1/4 | 13/16 |
| 1/2 | 0.500 | 3/8 | 1/2 | 3/4 | 2-1/2 | 1-3/8 |
| 9/16 | 0.5625 | 7/16 | 9/16 | 27/32 | 2-7/16 | 1-5/8 |
| 5/8 | 0.625 | 1/2 | 5/8 | 15/16 | 3 | 1-5/8 |
| 3/4 | 0.750 | 5/8 | 3/4 | 11/8 | 3-1/2 | 1-7/8 |
| 7/8 | 0.875 | 3/4 | 7/8 | 15/16 | 3-3/4 | 2-1/16 |
| 1 | 1.000 | 3/4 | 1 | 11/2 | 4-1/2 | 2-1/4 |
| 1-1/8 | 1.125 | 7/8 | 1-1/8 | 111/16 | 4-21/32 | 2-13/16 |
| 1-1/4 | 1.250 | 7/8 | 1-1/4 | 17/8 | 5-3/32 | 3-1/8 |
| 1-1/2 | 1.500 | 1 | 1-1/2 | 21/4 | 6-5/64 | 3-3/4 |
| 1-3/4 | 1.750 | 11/4 | 1-3/4 | 25/8 | 7-1/8 | 4-3/8 |
| 2 | 2.000 | 11/2 | 2 | 3 | 8-7/64 | 5 |
You’ll find Carbon Steel Screws widely utilized in industries such as construction, automotive, machinery, oil and gas, and heavy equipment. They’re perfect for fastening components in structural assemblies, pipelines, engines, and industrial machinery where strength and durability are essential. Coated or plated versions are particularly popular in outdoor and corrosive settings, ensuring they last longer and keep things safe. With their robust nature, versatility, and cost-effectiveness, carbon steel screws are a reliable fastening solution for both light-duty and heavy-duty applications.
Yousef 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 Riyadh, Saudi Arabia.
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