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Lina Fasteners, located in Tunis, Tunisia, is a trusted manufacturer and supplier of Stainless Steel 17-4 PH Fasteners designed for high-strength and precision-demanding applications. With advanced manufacturing technology and strict quality control, the company delivers fasteners that meet international standards and exact customer requirements. Stainless Steel 17-4 PH Fasteners from Lina Fasteners are known for their excellent strength, corrosion resistance, and dimensional stability. These fasteners perform reliably in both high-stress and corrosive environments, making them a preferred choice for industries that require consistent performance, durability, and long service life.
Stainless Steel 17-4 PH Fasteners are produced from a precipitation-hardening martensitic stainless steel alloy containing chromium, nickel, and copper, with controlled additions of niobium. This composition allows the material to be heat treated to achieve very high strength and hardness. Mechanically, these fasteners offer excellent tensile and yield strength, good toughness, and reliable corrosion resistance. They maintain dimensional stability and mechanical performance across a wide temperature range, making them suitable for demanding structural and mechanical applications.
| 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, corrosion resistance, and precision. They are commonly applied in aerospace components, power generation equipment, and oil and gas installations. In chemical processing and marine environments, these fasteners perform reliably under corrosive conditions. Stainless Steel 17-4 PH Fasteners are also used in valves, pumps, pressure vessels, and industrial machinery requiring tight tolerances and long-term durability. Their ability to combine high mechanical strength with corrosion resistance makes them ideal for critical engineering and high-performance fastening applications.
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.
Lina Fasteners is a leading manufacturer and supplier of high-quality fasteners in Tunis, Tunisia, with over 8 years of experience serving global industries.
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