S-90665A114 8-32 x 3/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws
Alloy Steel Low-Profile 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 140,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating protects against rust and environmental degradation, extending service life in harsh conditions.
- Precise Class 3A thread fit provides tighter tolerances for secure, vibration-resistant connections in critical assemblies.
- Low-profile socket head design allows for installation in confined spaces while maintaining high torque capability with a 5/64" hex drive.
- Rockwell C39 hardness offers excellent wear resistance, maintaining thread integrity through repeated use and adjustments.
- Fully threaded rod construction ensures consistent engagement along the entire 3/4" length for versatile fastening applications.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global industrial use.
Professional Applications & Engineering Value
These 8-32 UNC thread socket head cap screws are engineered to address common industrial challenges such as vibration loosening and corrosion-induced failure. The zinc-plated alloy steel construction provides a durable barrier against moisture and chemicals, making them ideal for machinery, automotive, and electronics assemblies where corrosion resistance is critical. The coarse thread spacing and Class 3A fit ensure quick installation and reliable holding power in materials like steel and aluminum, reducing assembly time while maintaining high tensile strength. The low-profile head and hex drive design facilitate access in tight spaces, offering engineers a versatile solution for precision fastening without compromising on performance or compliance with industry standards.
Specification Summary & Compliance
This socket head cap screw features precise UNC coarse threads with a Class 3A thread fit for superior dimensional accuracy. Manufactured in accordance with ASTM A574 specifications, it ensures consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substances.
