Harshita Stainless, a reputable manufacturer and supplier located in Delhi, India, specializes in a diverse array of high-performance stainless steel fasteners, including Stainless Steel 420 Nuts. These nuts are celebrated for their impressive strength, hardness, and wear resistance, making them perfect for applications that demand top-notch mechanical performance and moderate corrosion resistance. Crafted from premium-grade raw materials and cutting-edge technology, our products adhere to global quality standards and are versatile enough for various industries. At Harshita Stainless, we pride ourselves on delivering precision-engineered fasteners that offer reliable performance, competitive pricing, and prompt delivery to customers both in India and abroad.
Stainless Steel 420 Nuts are martensitic stainless steel fasteners that contain approximately 12–14% chromium and up to 0.15% carbon, enabling them to be hardened through heat treatment. These nuts boast high tensile strength (up to 700 MPa), remarkable hardness (Rockwell C40–50), and solid wear resistance. While they may not be as corrosion-resistant as austenitic grades, SS 420 still holds up well in mildly corrosive environments. They are magnetic and retain their mechanical strength even at higher temperatures, making them ideal for applications that involve mechanical stress and friction.
| Specifications | : | ASTM A /SA 193 / 194 |
| Dimensions | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Nuts size | : | M02 to M33 |
| Fe | C | Mn | Si | Cr | Ni* | Mo* | P | S | Cu* | Al* | Sn* |
|---|---|---|---|---|---|---|---|---|---|---|---|
Balance | 0.15-0.40% | 1.00% max | 1.00% max | 12.00-14% | 0.50% max | 0.50% max | 0.04% max | 0.03% max | 0.50% max | 0.15% max | 0.05% max |
| Property | Metric |
|---|---|
Density | 7.74 g/cm3 |
Elastic Modulus | 200 GPa |
Electrical Resistivity | 0.55 x 10-7 .m |
Tensile Strength | 655 MPa |
Yield strength (Temper: Annealed) Minimum 0.2% offset | 40,000 psi |
Yield Strength (Temper: Hardened + 350°F) Typical 2% offset | 195,000 psi |
Elongation (% in 50 mm) | 25 |
Brinell Hardness (HB) | 241 max |
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Corrosion-resistant product known for high hardness. Stainless Steel 420 Nuts are available in sizes from M6 to M36, suitable for applications where wear resistance and durability are crucial, such as in cutting tools and industrial machinery.
Stainless Steel 420 Coupling Nuts are designed for joining threaded rods, available in sizes from M6 to M36. They are used in applications requiring high hardness and resistance to wear, such as in machinery and automotive components.
Featuring a nylon insert for secure fastening, Stainless Steel 420 Nylon Insert Nuts come in sizes from M6 to M24. They offer stability and prevent loosening, ideal for applications where vibration resistance and durability are important.
Stainless Steel 420 Flange Hex Nuts provide enhanced load distribution with integrated flanges. Available in sizes from M6 to M24, they are used in heavy-duty machinery and structural applications where high hardness and support are needed.
Designed for high-stress applications, Stainless Steel 420 Heavy Hex Nuts are available in sizes from M6 to M36. They offer superior hardness and strength, making them suitable for use in industrial machinery and demanding environments.
Stainless Steel 420 Square Nuts offer a large surface area for effective torque application. Available in sizes from M6 to M24, they are ideal for secure fastening in tight spaces within various industrial and structural applications.
At Harshita Stainless, we take great care in packaging our Stainless Steel 420 Nuts to ensure that they reach you in the best possible condition. Each set of nuts is securely wrapped in plastic and placed in sturdy wooden boxes, clearly labeled for easy identification and efficient delivery. We provide both domestic and international shipping options, using reliable courier services or air freight, depending on your location. All shipments come with full insurance, packing lists, commercial invoice, and all the information possible on the packages. Our utmost priority is your order arriving just as perfect, right on schedule, with extra packaging if possible and express service depending on need.
Stainless Steel 420 Nuts find extensive use in industries where high strength, hardness, and wear resistance are paramount. You’ll commonly see them in automotive components, machine tools, cutlery, pump and valve assemblies, and mechanical parts that endure friction or load. They’re also utilized in engineering equipment, construction hardware, and precision instruments where secure fastening under stress is crucial. SS 420 Nuts are particularly well-suited for applications that involve frequent mechanical use or exposure to slightly corrosive conditions. Their ability to withstand heat treatment further enhances their performance in demanding environments.
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