In the industrial landscape of Muscat, Faisal Steel has established itself as a trusted partner for robust and reliable construction materials. As a premier manufacturer and supplier, we take pride in producing high-quality Carbon Steel Bolts, engineered to meet the exacting standards of Oman’s growing infrastructure and development projects. Our commitment lies in providing durable fastening solutions that builders and engineers can depend on for strength and longevity in even the most demanding applications.
The composition of our carbon steel bolts is carefully balanced, primarily iron and carbon, to achieve an optimal blend of strength and practicality. This fundamental recipe grants them excellent mechanical properties, including high tensile strength, which allows them to withstand significant pulling forces without stretching or breaking. They also offer good durability and are capable of handling substantial load-bearing tasks, making them a versatile and dependable choice for a wide range of industrial and construction fastening needs.
Specification :Â ASTM F568 / ASME SF568
Dimension :Â DIN, ISO, ASTM, JIS, BS, GB, IS and all International Standards
Size Range :Â M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length :Â 3 mm to 200 mm
Type : Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts
| 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 Bolts 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 Bolt needs!
| Heavy Hex Bolt Diameter | Â D | Â F | Â C | Â H | |||||
|  Body Diameter  |  Width Across Flats |  Width Across Corners |  Height | ||||||
|  Max |  Basic |  Max    |  Min     |  Max |  Min |  Basic |  Max    |  Min    | |
| 1/2 | 0.515 | 7/8 | 0.875 | 0.850 | 1.010 | 0.969 | 11/32 | 0.364 | 0.302 |
| 5/8 | 0.642 | 1-1/16 | 1.062 | 1.031 | 1.227 | 1.175 | 27/64 | 0.444 | 0.378 |
| 3/4 | 0.768 | 1-1/4 | 1.250 | 1.212 | 1.443 | 1.383 | 1/2 | 0.524 | 0.455 |
| 7/8 | 0.895 | 1-7/16 | 1.438 | 1.394 | 1.660 | 1.589 | 37/64 | 0.604 | 0.531 |
| 1 | 1.022 | 1-5/8 | 1.625 | 1.575 | 1.876 | 1.796 | 43/64 | 0.700 | 0.591 |
| 1-1/8 | 1.149 | 1-13/16 | 1.812 | 1.756 | 2.093 | 2.002 | 3/4 | 0.780 | 0.658 |
| 1-1/4 | 1.277 | 2 | 2.00 | 1.938 | 2.309 | 2.209 | 27/32 | 0.876 | 0.749 |
| 1-3/8 | 1.404 | 2-3/16 | 2.188 | 2.119 | 2.526 | 2.416 | 29/32 | 0.940 | 0.810 |
| 1-1/2 | 1.531 | 2-3/8 | 2.375 | 2.300 | 2.742 | 2.622 | 1 | 1.036 | 0.902 |
| 1-3/4 | 1.785 | 2-3/4 | 2.750 | 2.662 | 3.175 | 3.035 | 1-5/32 | 1.196 | 1.054 |
| 2 | 2.039 | 3-1/8 | 3.125 | 3.025 | 3.608 | 3.449 | 1-11/32 | 1.388 | 1.175 |
| 2-1/4 | 2.305 | 3-1/2 | 3.500 | 3.388 | 4.041 | 3.862 | 1-1/2 | 1.548 | 1.327 |
| 2-1/2 | 2.559 | 3-7/8 | 3.875 | 3.750 | 4.474 | 4.275 | 1-21/32 | 1.708 | 1.479 |
| Nominal or Basic Product Diameter | E | F | G | H | J | LT (Thread Length) | Y | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Diameter | Width Across Flats | Width Across Corners | Head Height | Wrenching Height | For Bolt Lengths | For Bolt Lengths | Transition Thread Length | ||||||||
| 1/4 | 0.25 | 0.25 | 0.245 | 7/16 | 0.438 | 0.428 | 0.505 | 0.488 | 5/32 | 0.163 | 0.150 | 0.106 | 0.750 | 1.000 | 0.250 |
| 5/16 | 0.3125 | 0.3125 | 0.3065 | 1/2 | 0.500 | 0.489 | 0.577 | 0.557 | 13/64 | 0.211 | 0.195 | 0.140 | 0.875 | 1.125 | 0.278 |
| 3/8 | 0.375 | 0.375 | 0.369 | 9/16 | 0.562 | 0.551 | 0.650 | 0.628 | 15/64 | 0.243 | 0.226 | 0.160 | 1.000 | 1.250 | 0.312 |
| 7/16 | 0.4375 | 0.4375 | 0.4305 | 5/8 | 0.625 | 0.612 | 0.722 | 0.698 | 9/32 | 0.291 | 0.272 | 0.195 | 1.125 | 1.375 | 0.357 |
| 1/2 | 0.5 | 0.5 | 0.493 | 3/4 | 0.750 | 0.736 | 0.866 | 0.840 | 5/16 | 0.323 | 0.302 | 0.215 | 1.250 | 1.500 | 0.385 |
| 9/16 | 0.5625 | 0.5625 | 0.5545 | 13/16 | 0.812 | 0.798 | 0.938 | 0.910 | 23/64 | 0.371 | 0.348 | 0.250 | 1.375 | 1.625 | 0.417 |
| 5/8 | 0.625 | 0.625 | 0.617 | 15/16 | 0.938 | 0.922 | 1.083 | 1.051 | 25/64 | 0.403 | 0.378 | 0.269 | 1.500 | 1.750 | 0.455 |
| 3/4 | 0.75 | 0.75 | 0.741 | 1-1/8 | 1.125 | 1.100 | 1.299 | 1.254 | 15/32 | 0.483 | 0.455 | 0.324 | 1.750 | 2.000 | 0.500 |
| 7/8 | 0.875 | 0.875 | 0.866 | 1-5/16 | 1.312 | 1.285 | 1.516 | 1.465 | 35/64 | 0.563 | 0.531 | 0.378 | 2.000 | 2.250 | 0.556 |
| 1 | 1 | 1 | 0.99 | 1-1/2 | 1.500 | 1.469 | 1.732 | 1.675 | 39/64 | 0.627 | 0.591 | 0.416 | 2.250 | 2.500 | 0.625 |
| 1-1/8 | 1.125 | 1.125 | 1.114 | 1-11/16 | 1.688 | 1.631 | 1.949 | 1.859 | 11/16 | 0.718 | 0.658 | 0.461 | 2.500 | 2.750 | 0.714 |
| 1-1/4 | 1.25 | 1.25 | 1.239 | 1-7/8 | 1.875 | 1.812 | 2.165 | 2.066 | 25/32 | 0.813 | 0.749 | 0.530 | 2.750 | 3.000 | 0.714 |
| 1-1/2 | 1.5 | 1.5 | 1.488 | 2-1/4 | 2.250 | 2.175 | 2.598 | 2.480 | 15/16 | 0.974 | 0.902 | 0.640 | 3.250 | 3.500 | 0.833 |
Because of their dependable strength and cost-effectiveness, carbon steel bolts are the unsung heroes of countless projects. You’ll find them securely fastening structural steel frames in new commercial buildings, assembling heavy machinery in industrial plants, and anchoring essential components in infrastructure like bridges and transmission towers. Their versatility also extends to everyday applications, from securing fixtures in large warehouses to use in automotive and shipbuilding industries, proving indispensable wherever a strong, reliable mechanical connection is required.
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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