S-92220A151 8-32 x 1/4" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 140,000 psi tensile strength and Rockwell C39 hardness, ensuring reliable performance in demanding applications.
• Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise thread engagement with Class 3A thread fit for secure, vibration-resistant fastening in critical assemblies.
• Space-saving low profile design allowing installation in tight spaces without compromising on drive stability using a 5/64" hex key.
• Full thread coverage along the 1/4" length for maximum grip and adjustability in various material thicknesses.
• Wide compatibility with 8-32 UNC coarse threads, facilitating quick installation and reducing cross-threading risks.
• Regulatory compliance assurance meeting ASTM A574, RoHS 3, and REACH standards for safe, high-quality use in global markets.

Professional Applications & Engineering Value

This low profile socket head cap screw is engineered to address common industrial challenges such as space constraints and vibration-induced loosening. Made from black-oxide alloy steel, it offers excellent resistance to corrosion and wear, making it ideal for machinery, automotive, and electronics assemblies where reliability is critical. The 8-32 UNC coarse threads and Class 3A thread fit ensure quick, accurate installation with minimal effort, reducing assembly time and enhancing structural integrity. Its fully threaded design provides uniform clamping force, preventing joint failure in high-stress environments. By integrating high tensile strength and compliance with international standards, this fastener delivers consistent performance, minimizing downtime and maintenance costs in professional settings.

Specification Summary & Compliance

This product features precise Class 3A thread fit per UNC standards, with a length of 1/4" and drive size of 5/64" for consistent installation. It complies with ASTM A574 specifications for alloy steel socket head cap screws, ensuring dimensional accuracy and mechanical properties. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for hazardous substances.