S-92220A155 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 under high-stress conditions, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-oxide finish extends service life in harsh or humid industrial environments.
- Precise Class 3A thread fit provides tight, secure fastening with minimal play, ideal for vibration-prone applications.
- Low-profile socket head design allows installation in confined spaces while maintaining high torque capability with a 5/64" hex drive.
- Durable alloy steel construction with Rockwell C39 hardness offers excellent wear resistance and long-term durability.
- Coarse UNC threading enables quick assembly and disassembly, improving efficiency in maintenance and production.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
This 8-32 UNC low profile socket head cap screw is engineered to address critical challenges in precision assembly and machinery. The black-oxide alloy steel provides enhanced corrosion resistance, making it suitable for automotive, aerospace, and electronic enclosures where exposure to moisture or chemicals is common. Its low-profile head and fully threaded design allow for flush mounting in tight spaces, reducing protrusion and minimizing clearance issues. With a coarse thread spacing and right-hand thread direction, it ensures rapid installation and secure holding power, vital for high-vibration environments. The hex drive offers superior torque transmission, preventing stripping and ensuring consistent clamping force in critical joints.
Specification Summary & Compliance
This screw features a Class 3A thread fit for precise engagement and UNC coarse threads with an 8-32 size. Dimensions include a 3/4" length, 0.27" head diameter, and 5/64" hex drive. It meets ASTM A574 specifications for alloy steel socket head cap screws and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no restricted substances are used.
