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Brian Fasteners, having its headquarters in Houston, USA, is a leading manufacturer and seller of high-performance Stainless Steel 17-7 PH Bolts. These bolts are designed for applications that require high strength, fatigue life, and corrosion resistance. They are manufactured from precipitation-hardened stainless steel and provide consistent fastening in high-stress conditions. Our 17-7 PH bolts are manufactured to close tolerances and find their applications in the aerospace, defense, marine, and structural industries. With stringent quality control and compliance with international standards, Brian Fasteners supplies bolts that guarantee long-term performance, even in varying mechanical loads and fluctuating conditions.
17-7 PH Bolts made from Stainless Steel contain Chromium (16–18%), Nickel (6.5–7.75%), and Aluminum (0.75–1.5%). The alloy is hardened for excellent mechanical properties, such as tensile strength up to 1310 MPa and yield strength approximately 1170 MPa. The bolts have good fatigue life, reasonable corrosion resistance, and low distortion after heat treatment. Nonmagnetic in the solution-annealed condition, they are magnetic after aging. They are well suited to applications involving high loads, cyclic stress, and precision fastening where mechanical integrity 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 |
| Bolts 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 |
| 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.
17-7 PH Stainless Steel Bolts are widely employed in defense equipment, aerospace structures, and industrial machinery where strength-to-weight ratio and fatigue life are critical. They are well-suited for aircraft frames, missile components, pressure vessels, and high-performance spring assemblies. They are popular in the marine and petrochemical sectors due to their corrosion resistance and strength under salt-laden and chemical environment conditions. The bolts are also utilized in robotics, medical devices, and car parts where strength and accuracy are needed. Brian Fasteners provides 17-7 PH Bolts with unbeatable quality for uses in which continuous fastening under mechanical stress is not negotiable.
Stainless steel 17-4 PH bolts undergo rigorous quality control to ensure exceptional performance. These tests include hardness testing, chemical analysis by spectroanalysis, material quality determination by PMI testing, tensile strength testing, impact testing, and fatigue resistance testing in addition to evaluating the corrosion resistance of each bolt and corrosion resistance. This exhaustive inspection ensures that our 17-4 PH bolts meet the highest industry standards for strength, durability and reliability.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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