S-90128A162 1/2"-13 x 1 1/8" 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 plating extends service life in harsh environments, minimizing maintenance and replacement costs.
- Precise Class 3A thread fit provides consistent engagement and vibration resistance, enhancing assembly integrity and safety.
- High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use and disassembly.
- Fully threaded design allows for maximum adjustability and clamping force distribution across the entire length.
- Coarse UNC threads enable quick installation and are less prone to clogging in dirty or debris-filled applications.
- Hex socket drive with 3/8" size facilitates easy installation in confined spaces using standard tools, improving efficiency.
Professional Applications & Engineering Value
Engineered for demanding environments, this zinc-plated alloy steel socket head cap screw combines high tensile strength and corrosion resistance to address common industrial challenges like vibration loosening and material fatigue. The 1/2"-13 UNC coarse thread and Class 3A fit ensure secure fastening in heavy machinery, automotive assemblies, and construction equipment, where reliability is critical. Its fully threaded design provides uniform stress distribution, reducing the risk of joint failure under dynamic loads. Ideal for applications requiring superior durability and compliance with stringent standards, this fastener delivers consistent performance in corrosive or high-stress conditions, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This socket head cap screw adheres to precise dimensional standards, including Class 3A thread fit and UNC coarse threads for consistent performance. Manufactured in compliance with ASTM A574 specifications, it ensures high strength and reliability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
