Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel products. Among their high-quality offerings are Stainless Steel 420 Nuts, designed for applications requiring excellent hardness, corrosion resistance, and mechanical strength. These nuts are ideal for industrial, mechanical, and structural assemblies exposed to moderate stress and mildly corrosive environments. At Walid Stainless, every nut is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 420 Nuts for secure, long-lasting, and reliable fastening solutions, making them a dependable choice for demanding projects requiring strength and durability.
Stainless Steel 420 Nuts are made from a high-carbon martensitic stainless steel alloy containing approximately 12–14% chromium. This composition provides good corrosion resistance, excellent hardness, and wear resistance. These nuts are heat-treatable, typically achieving tensile strength of 700–850 MPa and hardness up to 50–55 HRC. The martensitic structure ensures dimensional stability, mechanical durability, and long-term performance under moderate stress. 420 Nuts are suitable for industrial, mechanical, and automotive fastening applications where high hardness, wear resistance, and corrosion resistance are essential.
| 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 Walid 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 are widely used in industries requiring durable, high-strength, and corrosion-resistant fastening solutions. They are ideal for pumps, valves, machinery components, automotive parts, and structural assemblies exposed to mechanical stress and mildly corrosive conditions. Their heat-treatable properties ensure long-term mechanical strength, wear resistance, and dimensional stability. Engineers and technicians rely on 420 Nuts for safe, reliable, and efficient fastening in demanding industrial and mechanical applications. Walid Stainless ensures that every nut meets strict quality standards, providing dependable materials for projects requiring hardness, durability, and corrosion resistance.
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