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Punit Fasteners, a top-notch manufacturer and supplier located in Delhi, India, specializes in high-performance Stainless Steel 420 Bolts that are celebrated for their strength, hardness, and wear resistance. Designed for applications that demand exceptional mechanical properties and moderate corrosion protection, these bolts are perfect for industrial, mechanical, and structural settings. Crafted with precision technology and rigorous quality control, Punit Fasteners’ SS 420 bolts adhere to international standards for strength, reliability, and dimensional accuracy. With a diverse selection of sizes, threads, and surface finishes, the company serves clients across various sectors, including engineering, defense, petrochemicals, and power generation.
Stainless Steel 420 Bolts are crafted from a martensitic stainless steel alloy that contains 12–14% chromium and up to 0.35% carbon, enabling heat treatment for enhanced hardness. These bolts boast a tensile strength ranging from 700–1000 MPa and a yield strength between 500–800 MPa, depending on the heat treatment process. SS 420 offers good wear resistance and moderate corrosion resistance in non-aggressive environments, along with excellent polishability. While not as corrosion-resistant as austenitic grades, SS 420 bolts hold up well in mild acids, water, and steam, making them ideal for high-load and abrasion-heavy industrial applications.
| 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 % |
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 Bolts find extensive use in industries that require robust, wear-resistant fastening solutions. They are commonly used in pump and valve components, shafts, turbine parts, petrochemical equipment, food processing machinery (in dry or clean conditions), and general mechanical assemblies. Their impressive hardness makes them suitable for applications exposed to friction, impact, and abrasive conditions. Additionally, these bolts are utilized in power plants, defense equipment, surgical tools, and automotive systems.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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