Naing Steel stands as a trusted name in Naypyidaw’s industrial landscape, dedicated to providing robust and reliable building solutions. We take pride in our role as a local manufacturer and supplier, with our Carbon Steel Screws representing a perfect example of our commitment to quality and durability. These essential fasteners are engineered to meet the rigorous demands of both construction and manufacturing, offering a dependable choice for professionals who value strength and longevity in their projects, right here in the heart of Myanmar.
The composition of these screws is primarily iron and carbon, creating a fundamental yet incredibly strong alloy. This simple but effective makeup is what grants them their notable mechanical properties, including high tensile strength and excellent durability. They are built to handle significant stress and resist deformation, making them a workhorse fastener for a wide range of applications where holding power is absolutely essential, without the need for specialized corrosion resistance.
Specification :Â ASTM F568 / ASME SF568
Dimension :Â DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length :Â 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.
Naing Steel is a trustworthy manufacturer and supplier of quality Carbon Steel Screw in Naypyidaw, Myanmar. 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!
| Â 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 Ă— 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 Ă— 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 Ă— 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 Ă— 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 Ă— 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 Ă— 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 Ă— 1 | 6.00 | 5.82 | 10.00 | 9.74 | 6.00 | 5.85 | 0.60 | 5.0 | 5.486 | 3.00 | 6.8 |
| M8 Ă— 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 |
| Â 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 these carbon steel screws hard at work in countless settings, from framing the skeletons of new buildings to assembling heavy-duty machinery and furniture. Their reliability makes them a go-to for structural applications, woodworking projects, and general industrial fabrication. Essentially, wherever a strong, permanent, and cost-effective fastening solution is needed, these screws deliver consistent performance. They are the unseen heroes that hold together the vital infrastructure and everyday items we depend on, proving that true strength often lies in the simplest of components.
Naing 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 Naypyidaw, Myanmar.
Copyright 2025 Naing Steel. All rights reserved