S-90128A124 8-32 x 3/16" 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 applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating protects against rust and degradation, extending service life in harsh industrial environments.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant assemblies, minimizing loosening over time.
- High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity during repeated installations and removals.
- Hex drive socket design allows for easy installation with standard tools, speeding up assembly processes and reducing labor time.
- Coarse UNC threading enables quick engagement and disassembly, ideal for maintenance and repair operations.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting global regulatory standards.
Professional Applications & Engineering Value
This zinc-plated alloy steel socket head cap screw is engineered to address critical challenges in industrial fastening, such as vibration-induced loosening and environmental corrosion. The 8-32 UNC coarse thread with Class 3A fit delivers superior holding power in machinery, automotive, and electronics assemblies, where precise alignment and durability are paramount. The hex drive socket facilitates efficient torque application, reducing installation errors. With a 170,000 psi tensile strength and Rockwell C37 hardness, it withstands heavy loads and repetitive stress, making it an ideal choice for high-strength applications requiring long-term reliability and minimal maintenance.
Specification Summary & Compliance
This screw features a 3/16" length with UNC coarse threads and Class 3A thread fit for precise dimensional accuracy. It meets ASTM A574 specifications for high-strength alloy steel, ensuring consistent manufacturing quality. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it adheres to environmental and safety standards, supporting sustainable industrial practices.
