Mitchell Stainless is a reliable manufacturer and supplier of top-notch Stainless Steel 420 Fasteners based in Hamilton, New Zealand. They cater to a variety of industrial sectors with precision-engineered solutions. Known for their dedication to quality, the company provides fasteners that adhere to international standards for durability, strength, and resistance to corrosion. With cutting-edge manufacturing capabilities and rigorous quality control measures, Mitchell Stainless guarantees that each product delivers dependable performance, even in tough conditions. Their Stainless Steel 420 Fasteners are a popular choice for applications that demand hardness, wear resistance, and long-lasting stability. Fueled by innovation and a customer-first approach, Mitchell Stainless remains a prominent name in the world of stainless steel fastener technology.
The Stainless Steel 420 Fasteners produced by Mitchell Stainless are primarily made from high-carbon martensitic stainless steel infused with chromium, which provides excellent hardness and moderate resistance to corrosion. This particular grade gains enhanced strength after heat treatment, achieving impressive tensile and yield values that are perfect for heavy-duty applications. Its mechanical properties include outstanding wear resistance, good fatigue strength, and the ability to maintain structural integrity under stress. Additionally, these fasteners are known for their reliable machinability and polishability, making them ideal for precision components. In summary, Stainless Steel 420 fasteners strike a great balance between durability, toughness, and performance.
| 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 |
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Stainless Steel 420 Nuts offer good corrosion resistance in mild environments, making them suitable for various applications. Typically available in sizes ranging from M3 to M24, these nuts provide robust mechanical properties and are often used in low to moderate-corrosive settings.
Stainless Steel 420 Stud Bolts exhibit moderate corrosion resistance, which is ideal for applications where exposure to mild corrosive agents is a concern. Common sizes range from M6 to M30, with lengths from 50mm to 300mm, offering strength and durability in fastening applications.
Stainless Steel 420 Bolts are moderately corrosion-resistant, making them suitable for general use in environments with low corrosive potential. They come in various sizes from M6 to M30 and lengths ranging from 20mm to 200mm, providing reliable performance in diverse applications.
Stainless Steel 420 threaded rods provide moderate corrosion resistance and are suitable for mild corrosive environments. Available in diameters from M6 to M30 and lengths from 100mm to 1000mm, these rods offer flexibility and strength for various industrial and construction applications.
Stainless Steel 420 screws offer good corrosion resistance in less aggressive environments. They are typically available in sizes from M2 to M12 and have lengths ranging from 10mm to 100mm, making them suitable for general-purpose fastening in moderately corrosive conditions.
Stainless Steel 420 washers provide moderate corrosion resistance and are suitable for applications with low corrosive exposure. They come in various sizes, typically from M3 to M24, with thicknesses ranging from 1mm to 5mm, ensuring proper load distribution and stability in fastening systems.
We offer a variety of test certificates for our Stainless Steel 420 Fasteners, including MTC according to EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report, and Third Party Inspection Certificate. These certifications attest to the quality, strength and veracity of our fasteners while assuring that our products conform to the requirements of the industry and to the requirements of our clients. Our rigorous testing process and commitment to transparency deliver a reliable and trustworthy experience, giving our valued clients confidence in the superior performance and durability of our Stainless Steel 420 Fasteners across various demanding applications.
Mitchell Stainless’s Stainless Steel 420 Fasteners are extensively utilized in industries that demand high hardness, wear resistance, and reliable performance. These fasteners are perfect for manufacturing machinery, industrial tools, pump components, and automotive assemblies. Their strength and durability make them well-suited for high-stress environments, including mechanical joints, shafts, and heavy-load fixtures.
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