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Mazin Fasteners, a reputable manufacturer and supplier located in Muscat, Oman, specializes in high-quality Stainless Steel 420 Fasteners that are perfect for applications where strength and precision are key. These fasteners are crafted using cutting-edge production techniques and rigorous quality control measures, ensuring they have precise dimensions, consistent threading, and dependable performance. Mazin Fasteners caters to various industries, including oil and gas, power generation, industrial engineering, and heavy machinery. Renowned for their hardness, durability, and long service life, these fasteners are ideal for tasks that demand mechanical strength and moderate resistance to corrosion.
The Stainless Steel 420 Fasteners are made from a martensitic stainless steel alloy that contains about 12–14% chromium along with a moderate amount of carbon. This unique blend allows the material to be heat-treated, resulting in impressive hardness and high tensile strength while still offering decent corrosion resistance. In terms of mechanics, SS 420 fasteners provide good yield strength, wear resistance, and stability under load. They perform reliably at moderate temperatures, exhibit satisfactory fatigue resistance, and maintain their shape even after repeated tightening and use.
| 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.
These fasteners are widely utilized in situations that require a mix of strength, hardness, and corrosion resistance. You’ll often find them in machinery assemblies, pumps, valves, shafts, and industrial equipment that face mechanical stress. They’re also a great fit for automotive components, tooling, and aerospace parts that operate in controlled or mildly corrosive environments. With their reliable mechanical properties and durability, they are perfect for general industrial and engineering fastening needs.
At Mazin 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.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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