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Mira Fasteners is a trusted manufacturer and supplier of Stainless Steel 420 Fasteners, based in Kuala Lumpur, Malaysia. These fasteners are celebrated for their impressive hardness, wear resistance, and decent corrosion resistance. At Mira Fasteners, you’ll find precision-engineered SS 420 fasteners that adhere to international quality standards, making them perfect for demanding industrial applications. Built to withstand high-strength and mechanically intense environments, Stainless Steel 420 Fasteners are a go-to choice across Malaysia and Southeast Asia, known for their durability, cost-effectiveness, and dependable performance even under stress and friction.
Stainless Steel 420 Fasteners are made from martensitic stainless steel, containing about 12–14% chromium and 0.15–0.40% carbon. They can be heat-treated to achieve impressive hardness (up to 50 HRC) and tensile strength ranging from 700–1000 MPa. While they may not resist corrosion as well as austenitic grades, their strength and toughness make them ideal for mechanical and wear-intensive applications.
| 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 are used in applications where high strength and corrosion resistance are crucial. They are ideal for automotive components, including engine parts and exhaust systems, as well as in construction and machinery where durability is needed. Their ability to withstand elevated temperatures and resist wear makes them suitable for industrial settings that demand reliable performance. Additionally, these fasteners are used in tools and equipment exposed to moderate corrosive conditions, ensuring longevity and robust functionality.
These fasteners find their place in various sectors, including automotive, aerospace, surgical, pump and valve, and general engineering. They excel in environments that demand high mechanical strength, such as fastening components that experience vibration, impact, or significant wear. Particularly suited for dry or mildly corrosive settings, these fasteners ensure long-lasting performance in equipment, tools, and structural applications where hardness and reliability are essential.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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