S-92220A206 1/4"-20 x 2 1/2" 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.
- Precision Class 3A thread fit provides superior engagement and vibration resistance, minimizing loosening in dynamic environments.
- Black-oxide surface treatment on alloy steel offers enhanced corrosion resistance, extending service life in harsh industrial conditions.
- Low-profile socket head design allows for installation in confined spaces while maintaining high torque capability with a hex drive.
- Coarse UNC threads enable quicker assembly and disassembly, improving efficiency in maintenance and production workflows.
- Full compliance with ASTM A574 guarantees consistent quality and mechanical properties for critical engineering applications.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This black-oxide alloy steel socket head cap screw is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding environments. The Class 3A thread fit and coarse UNC threading provide secure fastening in machinery, automotive assemblies, and heavy equipment, where precision and durability are paramount. Its high tensile strength and Rockwell C39 hardness make it ideal for applications requiring reliable load-bearing capabilities, while the low-profile head facilitates use in compact designs. By combining robust material properties with stringent standards compliance, this fastener enhances assembly integrity and reduces maintenance downtime in sectors like manufacturing, aerospace, and construction.
Specification Summary & Compliance
This socket head cap screw adheres to precise dimensional tolerances, including a Class 3A thread fit for superior accuracy and UNC coarse threads per industry standards. It meets ASTM A574 specifications for alloy steel socket head cap screws, ensuring consistent mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.
