Majid Fasteners, a well-respected manufacturer and supplier located in Dubai, UAE, specializes in high-quality Square Bolts that are perfect for reliable fastening in structural, industrial, and construction settings. These bolts are crafted with precision and adhere to international standards, featuring a square head that enhances grip and minimizes slippage during tightening. Majid Fasteners offers square bolts in a variety of materials, including stainless steel, carbon steel, alloy steel, and galvanized steel, catering to different environmental and load requirements. Renowned for their durability, resistance to corrosion, and robust mechanical performance, these bolts are a trusted choice in engineering, timber construction, heavy machinery, and equipment assembly projects.
Square Bolts are usually made from materials like carbon steel, alloy steel, and stainless steel (304/316), as well as hot-dip galvanized steel. Their makeup can include elements such as carbon, manganese, chromium, nickel, molybdenum, and silicon, which together provide strength and resistance to corrosion based on the specific grade. These bolts are known for their high tensile and yield strength, impressive fatigue resistance, and excellent load-bearing capabilities. The stainless steel options offer top-notch corrosion protection, while the alloy steel variants bring enhanced hardness and durability. Plus, the square head design makes it easier to apply torque, making them perfect for structural and heavy-duty fastening tasks.
| Specification | ||
|---|---|---|
| Material | Standards | Grades |
| Nickel Alloy | ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472 | UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 8020 (ALLOY 20 / 20 CB 3) |
| Stainless Steel | ASTM / ASME A/SA 193 / 194 | B 8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4 |
| Alloy Steel | ASTM / ASME A/SA 193 / 194 GR | B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
| Duplex Steel | UNS NO. S 31803, S 32205 | Range: M10 TO M100, LENGTH UPTO 5 METERS |
| Nonmetallic Materials: | Acrylic, Kel-F, Lexan, Polypropylene, Poly Vinyl Chloride, Teflon, Zytel 31, 101, 105 | |
| High-Temp Alloys | Discaloy, 19-9 DL, 16-25-6, A286, Titanium, Nimonic 80, Mulitmet, Haynes 25, Greek Ascalloy, Unitemp 252, Udimet 500, Rene 41, Inco 700, Inco 901, Hastelloy X, 235, Waspaloy, RA 330 | |
| Copper Base Alloys | Copper, Brasses: Yellow, Free-cut, Red, Naval, Bronze: Commercial, Phosphor, Silicon A & B, Aluminum, Silicon-Aluminum, Manganese, Ampco Alloys, Munitz Metal, Cupro-Nicles | |
| Aluminum Alloys: | 1100, 2011, 2014, 2017, 2024, 3003, 5052, 6053, 6061, 7075 | |
| Of Bolts | (C) | (D) | (F) | (H) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Width Corners Across \ | Diameter Of Body | Width Flats Across | Height Table | ||||||
| Maximum | Minimum | Maximum | Basic | Maximum | Minimum | Basic | Maximum | Minimum | |
| 1⁄2 | 1.0061 | 0.0995 | 0.0515 | 3⁄4 | 0.0750 | 0.0725 | 21⁄64 | 0.0348 | 0.0308 |
| 5⁄8 | 1.0326 | 1.0244 | 0.0642 | 15⁄16 | 0.0938 | 0.0906 | 27⁄64 | 0.0444 | 0.0400 |
| 3⁄4 | 1.0591 | 1.0494 | 0.0768 | 11⁄8 | 1.0125 | 1.0088 | 1⁄2 | 0.0524 | 0.0476 |
| 7⁄8 | 1.0856 | 1.0742 | 0.0895 | 15⁄16 | 1.0312 | 1.0269 | 19⁄32 | 0.0620 | 0.0568 |
| 1 | 2.0121 | 1.0991 | 1.0022 | 11⁄2 | 1.0500 | 1.0450 | 21⁄32 | 0.0684 | 0.0628 |
| 11⁄8 | 2.0386 | 2.0239 | 1.0149 | 111⁄16 | 1.0688 | 1.0631 | 3⁄4 | 0.0780 | 0.0720 |
| 11⁄4 | 2.0652 | 2.0489 | 1.0277 | 17⁄8 | 1.0875 | 1.0812 | 27⁄32 | 0.0876 | 0.0812 |
| 13⁄8 | 2.0917 | 2.0738 | 1.0404 | 21⁄16 | 2.0062 | 1.0994 | 29⁄32 | 0.0940 | 0.0872 |
| 11⁄2 | 3.0182 | 2.0986 | 1.0531 | 21⁄4 | 2.0250 | 2.0175 | 1 | 1.0036 | 0.0964 |
| 13⁄4* | 29⁄16 | 13⁄16 | |||||||
| 2* | 215⁄16 | 15⁄16 | |||||||
Square Bolts are a go-to choice for projects that need strong, stable, and slip-resistant fastening. You’ll often find them in timber construction, wooden structures, furniture assembly, and various woodworking tasks where the square head fits snugly into the material. In industrial environments, these bolts are essential for heavy machinery, equipment assembly, and structural frameworks. They also play a vital role in railway systems, agricultural machinery, mining equipment, and infrastructure projects that demand reliable torque and load distribution. For outdoor, marine, and corrosive settings, galvanized and stainless steel square bolts are the preferred options due to their superior rust and weather resistance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
