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Situated in the dynamic industrial hub of Kolkata, Rinku Fasteners has become a trusted manufacturer and supplier of premium-quality Stainless Steel 17-4 PH Fasteners. Serving customers across India, the company blends advanced engineering capability with a warm, customer-centred approach. Every fastener is crafted with care to deliver exceptional strength, corrosion resistance, and long-term durability in demanding environments. Rinku Fasteners values building genuine relationships, understanding real project challenges, and delivering products that perform reliably. Their Stainless Steel 17-4 PH Fasteners represent a combination of precision workmanship, consistent quality, and commitment to client satisfaction.
Stainless Steel 17-4 PH Fasteners are made from a martensitic precipitation-hardening alloy containing chromium, nickel, and copper, giving them excellent mechanical strength and strong corrosion resistance. Through controlled heat treatment, they achieve high tensile and yield strength along with impressive hardness and toughness. These fasteners maintain stability under high loads, resist wear and deformation, and perform reliably in elevated temperatures. Their combination of strength, durability, and fatigue resistance makes them ideal for critical applications where dependable, long-lasting fastening performance is essential.
| 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 | Cb+Ta | Cr | Cu | Fe | Mn | Ni | P | S | Si |
| SS 17-4 PH | 0.07 max | 0.15-0.45 | 15.00-17.50 | 3.00-5.00 | Bal | 1.0 max | 3.0-5.0 | 0.40 max | 0.03 max | 1.0 max |
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 17-4 PH Fasteners are widely used in industries that demand high-strength components capable of withstanding tough environments. They are commonly found in aerospace assemblies, petrochemical plants, chemical processing systems, and power generation equipment. Their ability to endure high pressure, vibration, and temperature variations makes them ideal for turbines, valves, pumps, structural frameworks, and heavy-duty machinery. These fasteners are also trusted in marine engineering, defence applications, and high-performance industrial equipment. Engineers value Stainless Steel 17-4 PH Fasteners for their reliability, precision, and ability to maintain secure connections even in the most challenging operational conditions.
Stainless steel 17-4 PH fasteners are available in a variety of sizes and can be customized to suit specific requirements. We pride ourselves in providing top notch 17-4 PH fasteners ensuring quality control and compliance with international standards. Our binders are securely packaged to prevent damage in transit and ensure it arrives in perfect condition. Choose the reliability and longevity of Stainless Steel 17-4 PH Fasteners for simple and efficient operation in your industrial applications.
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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