S-91290A305 M3.5 x 16 mm ASME B18.3.1M, ASTM A574M Alloy Steel Socket Head Screws
Alloy Steel Socket Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 170,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide coating extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise hex drive design with a 2.5mm drive size allows for secure, slip-free installation using standard tools, enhancing assembly efficiency.
- High hardness rating (Rockwell C37) provides excellent wear resistance, maintaining thread integrity over repeated use.
- Fully threaded coarse pitch design offers quick assembly and strong holding power in various materials, speeding up production cycles.
- Compliance with international standards including ASME B18.3.1M ensures consistent quality and compatibility with global engineering specifications.
- Environmental regulation adherence via RoHS 3 and REACH compliance supports sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these M3.5 metric socket head cap screws address common challenges like vibration loosening and material fatigue. The black-oxide alloy steel construction, combined with a Class 12.9 strength rating, provides robust resistance to extreme loads and environmental factors, making them ideal for machinery, automotive assemblies, and precision equipment. The fully threaded coarse thread design ensures rapid installation and reliable clamping force, while the hex drive facilitates easy access in confined spaces. By meeting ASME B18.3.1M standards, these screws deliver consistent performance, reducing downtime and enhancing operational safety in industrial applications.
Specification Summary & Compliance
This product features precise metric thread specifications with M3.5 size, 0.6mm pitch, and Class 4g6g thread fit for accurate engagement. It adheres to ASME B18.3.1M manufacturing standards and is compliant with RoHS 3 and REACH regulations, ensuring environmental safety and material integrity.
