S-90128A171 1"-8 x 2" ASTM A574 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 industrial applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc-plated alloy steel construction prolongs service life in harsh environments, minimizing maintenance needs.
- Precise Class 3A thread fit provides tight tolerances for secure fastening, enhancing assembly integrity and vibration resistance.
- Coarse UNC threading with fully threaded design allows for quick installation and strong grip in a wide range of materials.
- High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity over repeated use.
- 3/4" hex drive and standard socket head enable easy installation with common tools, improving workflow efficiency.
- Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, supporting responsible sourcing.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this socket head cap screw combines zinc-plated alloy steel with a Class 3A thread fit to address common challenges like vibration loosening and corrosion in machinery, automotive, and construction applications. The coarse UNC threading and fully threaded rod design provide superior holding power in soft or brittle materials, while the high tensile strength and Rockwell C37 hardness ensure durability under dynamic loads. Ideal for heavy-duty assemblies, it offers reliable performance where precision and longevity are critical, reducing downtime and replacement costs.
Specification Summary & Compliance
This product features a 1"-8 UNC coarse thread with Class 3A fit for precise dimensional accuracy, manufactured in accordance with ASTM A574 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for global industrial use.
