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Ramu Fasteners has built a solid reputation as a reliable manufacturer and supplier in Hyderabad, specializing in high-quality Stainless Steel 420 fasteners that are designed for strength, durability, and dependable performance. Thanks to their state-of-the-art manufacturing facilities and strict quality control processes, Ramu Fasteners guarantees that their products meet international standards and precise specifications. The Stainless Steel 420 fasteners they provide are celebrated for their impressive wear resistance, decent corrosion resistance in mild environments, and consistent load-bearing capabilities. Plus, they offer these fasteners in a variety of custom sizes, threads, and finishes, making them perfect for a wide range of industrial, automotive, and engineering applications that demand robust and trustworthy fastening solutions.
These fasteners are crafted from a martensitic stainless steel alloy that contains about 12–14% chromium, along with a controlled amount of carbon. This specific composition allows for heat treatment, resulting in high tensile strength, good yield strength, and increased hardness. Their mechanical properties include excellent wear resistance, moderate ductility, good fatigue strength, and stable performance even under mechanical stress. In mildly corrosive conditions, these fasteners maintain their structural integrity and reliable performance, making them a great choice for demanding applications that require both strength and hardness.
| Specifications | ASTM A 193 / ASME SA 193 |
| Standard | DIN, ISO ,JIS ,GB, IS, BS, ASTM and all International Standards |
| Size | M3 – M100 | 3/6″ – 4″ | Custom Sizes |
| Fasteners Length | 3 mm – 200 mm | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Head | Hex, Square, Round, Hex flange, Flat, T-head & Triangular etc. |
| Neck type | Hex, Square, Triangular, Oval & Knurled etc. |
| Surface Coating | Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request |
| Manufacturing Process | Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing. |
| Grade | C | Mn | Si | P | S | Cr |
| SS 420 | 0.15 max | 1.00 max | 1.00 max | 0.04 max | 0.03 max | 14.0 – 12.0 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness Rockwell B (HR B) max | Hardness Brinell (HB) max |
| 420 | 480 | 275 | 16 | 95 | 201 |
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 fasteners are commonly found in applications that need high strength, wear resistance, and moderate corrosion resistance. You’ll often see them used in pumps, valves, shafts, turbines, automotive parts, machinery assemblies, and various industrial equipment. They’re also well-suited for tooling, fabrication, and structural joints that operate in mildly corrosive environments. With their durability, reliable performance, and long service life, these fasteners are perfect for general engineering, industrial, and automotive fastening needs.
At Ramu Fasteners, we prioritize the quality and safety of our Stainless Steel 420 fasteners during packaging. Each fastener is meticulously inspected and individually wrapped in protective material to prevent damage. They are then packed in durable, clearly labeled boxes that provide detailed product information and quantities. Our packaging is designed to protect against environmental factors and physical impacts, ensuring that your high-performance fasteners arrive in excellent condition and are ready for immediate use.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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