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Rinku Fasteners, based in Kolkata, India, has built a solid reputation as a reliable manufacturer and supplier of high-performance Stainless Steel 420 Nuts, perfect for tough industrial applications. Thanks to cutting-edge manufacturing technology and a strong focus on quality, these nuts are crafted to deliver outstanding durability, precision, and reliability. Made from a high-carbon martensitic stainless steel grade, Rinku’s SS 420 Nuts boast impressive hardness, wear resistance, and strength. They’re the go-to choice for industries that need components that can handle heavy loads, abrasive conditions, and moderate corrosive environments, ensuring they perform consistently over time.
Stainless Steel 420 Nuts are made up of 12–14% chromium and a minimum of 0.15% high carbon content, along with trace amounts of manganese, silicon, phosphorus, and sulfur. As a martensitic stainless steel grade, SS 420 is known for its excellent hardness, high tensile strength, and strong wear resistance, especially after proper heat treatment. These nuts can reach hardness values of up to 50 HRC, making them ideal for high-stress applications. Additionally, SS 420 Nuts offer moderate corrosion resistance in environments where abrasion and heavy mechanical loads are prevalent.
| 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 |
| 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 % |
| 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 | – | – | – |
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 Nuts find their place in various industries where exceptional hardness, strength, and wear resistance are crucial. They’re commonly used in automotive systems, pumps, valves, heavy machinery, and industrial equipment that require secure and long-lasting fastening. Their impressive mechanical strength makes them suitable for high-pressure assemblies, precision instruments, and mechanical components that face friction and heavy loads. These nuts are also utilized in petrochemical units, engineering systems, and environments with moderate corrosion risks.
At Rinku Fasteners, we ensure that our stainless steel 420 nuts are installed with the utmost care. Each nut is carefully inspected and individually wrapped with protective material to prevent damage during transport. They are then placed in tightly labeled boxes with product details and detailed quantities. Our packaging is designed to protect the environment and physical impact, ensuring that your high-performance fruit arrives in prime condition and ready for immediate use.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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