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Hamad Fasteners is your go-to manufacturer and supplier of top-notch stainless steel bolts, proudly based in Riyadh, Saudi Arabia. Our bolts are crafted for strength, corrosion resistance, and long-lasting performance across a variety of industries, including construction, petrochemicals, marine, infrastructure, and manufacturing. We offer a range of sizes and standards, and our stainless steel bolts are made with precision machining and rigorous quality control. We adhere to international specifications like ASTM, DIN, and ISO, ensuring they meet global engineering standards. At Hamad Fasteners, we’re dedicated to timely delivery, technical support, and providing reliable fastening solutions throughout Saudi Arabia and the GCC region.
Our stainless steel bolts are primarily crafted from austenitic stainless steel grades such as 304, 304L, 316, and 316L. These grades typically contain around 18–20% chromium and 8–14% nickel, which gives them fantastic corrosion resistance, good ductility, and non-magnetic properties when annealed. For tougher environments, 316 and 316L include 2–3% molybdenum to enhance their resistance to chlorides and chemicals. You can expect typical mechanical properties like tensile strength ranging from 500 to 750 MPa, along with solid fatigue resistance. These bolts meet international standards such as ASTM A193, A320, and DIN 931, ensuring they’re durable for structural and industrial applications.
| ASTM/ASME Specifications | ASTM A193 / ASME SA 193, ASTM A194 / ASME SA 194 |
| Bolts, Studs Threads | UNC, METRIC, BSF, UNF, BSW or Custom |
| Head drive | Phillips, Six-Lobe, Phillips/Slot, Slotted |
| Stainless Steel Bolts | Hex Bolts, Flange Bolts, Square Bolts, T Bolts, Eye Bolts, U Bolts, Lag Bolts, Counter Sunk Bolts, J Bolts, Hex Head Bolts |
| Grade | AISI | Stainless Steel Bolts Chemical Composition (% maxima unless stated) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Mo | Ni | Cu | ||||||
| A1 | SS 202 | 0.12 | 1.0 | 6.5 | 0.20 | 0.15-0.35 | 16,0 – 19,0 | 0.7 | 5,0 – 10,0 | 1.75-2.25 | ||||
| A2 | SS 304 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 15,0 – 20,0 | 0.0 | 8,0 – 19,0 | 4.0 | ||||
| A3 | SS 321 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 17,0 – 19,0 | 0.0 | 9,0 – 12,0 | 1.0 | ||||
| A4 | SS 316 | 0.08 | 1.0 | 2.0 | 0.05 | 0.03 | 16,0 – 18,5 | 2,0 – 3,0 | 10,0 – 15,0 | 4.0 | ||||
| C1 | SS 410 | 0.09-0.15 | 1.0 | 1.0 | 0.05 | 0.03 | 11,5 – 14,0 | – | 1 | – | ||||
| C3 | SS 431 | 0.17-0.25 | 1.0 | 1.0 | 0.04 | 0.03 | 16,0 – 18,0 | – | 1,5 – 2,5 | – | ||||
| C4 | SS 416 | 0.08-0.15 | 1.0 | 1.5 | 0.06 | 0.15-0.35 | 12,0 – 14,0 | 0.6 | 1 | – | ||||
| F1 | SS 430 | 0.12 | 1.0 | 1.0 | 0.04 | 0.03 | 15,0 – 18,0 | 0.0 | 1 | – | ||||
| Stainless Steel Bolts | Class | Tensile Stress Rm MPa (N/mm2) minimum | Yield Strength Rp 0.2 Mpa (N/mm2) minimum | AL Minimum Elongation | Diameter |
|---|---|---|---|---|---|
| Stainless Steel Bolts | 70 | 700 | 450 | 0.4d | =<M20 |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless steel bolts find their place in construction, machinery, pipelines, marine structures, water treatment plants, and food processing equipment. Their ability to resist rust, chemicals, and moisture makes them perfect for both indoor and outdoor settings. In coastal and industrial environments, they stand up to corrosion and maintain structural integrity over time. You’ll often see stainless steel bolts used in assembling steel structures, flanges, tanks, and pressure vessels. Hamad Fasteners provides stainless steel bolts for everything from general-purpose fastening to high-spec engineering projects, ensuring reliability every step of the way.
At Hamad Fasteners, we ensure our stainless steel bolts are packaged with the utmost care to preserve their quality and performance. Our robust packaging solutions protect the bolts from damage during transit and handling, using durable materials and secure methods. Each package is meticulously labeled with essential product details for easy identification. Whether you’re ordering small or bulk quantities, our precise packaging guarantees that your stainless steel bolts arrive in excellent condition, ready to meet your fastening needs.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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