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Hamad Fasteners, located in Riyadh, Saudi Arabia, has earned a solid reputation as a reliable manufacturer and supplier of precision-engineered fastening solutions for various industries. We take pride in providing durable, high-performance products that adhere to international standards. One of our standout offerings is the Stainless Steel 420 Fasteners, known for their impressive hardness, corrosion resistance, and durability, even in tough environments. These fasteners are perfect for applications that demand wear resistance and strength. With cutting-edge manufacturing processes and rigorous quality control, Hamad Fasteners guarantees that each fastener delivers optimal performance, making us a trusted partner for industrial and commercial fastening needs throughout the region.
Stainless Steel 420 Fasteners are primarily made of iron, containing 12–14% chromium and up to 0.15% carbon, allowing them to be heat-treated for enhanced strength and hardness. As a martensitic stainless steel, SS 420 typically boasts a tensile strength of 700–850 MPa and a yield strength of 450–600 MPa after undergoing hardening and tempering. The Brinell hardness can vary from 200–500 HB, depending on the heat treatment process. While it provides decent corrosion resistance in mild environments, its standout feature is its exceptional wear resistance, making it ideal for mechanical and structural applications under stress.
| Specifications | ASTM A 193 / ASME SA 193 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Fasteners Length | 3 mm – 200 mm | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Grade | C | Mn | Si | P | S | Cr |
| SS 420 | 0.15 max | 1.00 max | 1.00 max | 0.04 max | 0.03 max | 14.0 – 12.0 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness Rockwell B (HR B) max | Hardness Brinell (HB) max |
| 420 | 480 | 275 | 16 | 95 | 201 |
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 420 Fasteners find their place in a variety of applications where high strength, hardness, and moderate corrosion resistance are crucial. These include medical instruments, industrial machinery, pumps, valves, and automotive components. They excel in environments where fasteners must endure repeated mechanical stress, friction, or wear. Thanks to their heat treatment capabilities, SS 420 fasteners are also well-suited for cutting tools, gear mechanisms, and structural assemblies in demanding conditions, ensuring reliable performance in both industrial and commercial settings that require durability and precision.
At Hamad Fasteners, we prioritize the quality and safety of our Stainless Steel 420 fasteners during packaging. Each fastener is meticulously inspected and individually wrapped in protective material to prevent damage. They are then packed in durable, clearly labeled boxes that provide detailed product information and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring that your high-performance fasteners arrive in excellent condition and are ready for immediate use.
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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