Home > Stud Bolts > Stainless Steel 420 Stud Bolts
Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 420 Stud Bolts. These high-strength stud bolts are designed for secure, durable, and reliable fastening in industrial, mechanical, and structural applications. Njabulo Stainless ensures precision threading, smooth surfaces, and uniform dimensions, providing leak-proof and long-lasting connections. Stainless Steel 420 stud bolts are widely used in chemical, petrochemical, marine, automotive, and heavy machinery industries, where hardness, wear resistance, and moderate corrosion resistance are essential. They deliver consistent and reliable performance under high stress and temperature conditions.
Stainless Steel 420 Stud Bolts are made from martensitic stainless steel 420, containing high carbon (0.15–0.40%) and chromium (12–14%). This composition provides good hardness, tensile strength, wear resistance, and moderate corrosion resistance. Mechanically, 420 stud bolts offer high fatigue strength, toughness, and dimensional stability, ensuring they maintain integrity under heavy loads and thermal stress. Precision manufacturing ensures smooth threads and consistent dimensions, making these stud bolts ideal for industrial, structural, and mechanical applications requiring durability, reliable fastening, and long-lasting performance.
| Specifications | : | ASTM A /SA 193 / 194 |
| Dimensions | : | ASTM,DIN, BS,GB, IS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Stud Bolts Size | : | M02 to M33 |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 420 | 0.15 | 1.00 | 1.00 | 0.04 | 0.03 | 12.0-14.0 | – | – | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1495 °C (2723 °F) | 690 MPa max | 414 MPa max | 15 % |
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Stainless Steel 420 stud anchor bolts deliver superior strength and corrosion resistance, ensuring secure and reliable anchoring in various construction and industrial applications. Their robust design supports heavy loads and challenging environments.
Stainless Steel 420 stud exhaust bolts offer exceptional heat resistance and durability, making them perfect for high-temperature environments. They ensure secure exhaust system connections, providing reliable performance in automotive and industrial applications.
Stainless Steel 420 stud lag bolts combine high strength and corrosion resistance, making them ideal for heavy-duty wood and metal fastening applications. Their robust design ensures secure, long-lasting connections.
After completion of the manufacturing process, our quality control team performs destructive and non-destructive tests on Stainless Steel 420 Stud bolts using the best equipment and advanced techniques. The tests are conducted at Njabulo Stainless’ premises to determine the performance and reliability of bolts. The strength, durability, and corrosion resistance of stud bolts are further assessed during testing. Post-testing, these stud bolts will be packed as per the required specifications along with high-quality packaging for safe delivery. After this, the products are delivered based on a predefined time frame to have prompt and on-time service delivery. All the required documentation is presented to the customer upon delivery.
Stainless Steel 420 Stud Bolts are widely used in chemical plants, petrochemical industries, marine engineering, automotive components, and industrial machinery. They are ideal for fastening pipelines, pumps, valves, pressure vessels, and structural components exposed to high stress, wear, or moderate corrosion. Their hardness and wear resistance make them suitable for machinery parts, shafts, and industrial equipment. In construction and manufacturing, 420 stud bolts provide durable, secure, and leak-proof fastening. Overall, they deliver strength, reliability, and corrosion resistance, making them essential for demanding industrial, mechanical, and structural applications.
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