S-90279A197 8-32 x 3/4" ASME B18.6.3 Steel Round Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• High tensile strength of 60,000 psi ensures reliable fastening under significant mechanical stress and vibration
• Rockwell B69 hardness provides excellent durability and resistance to wear during installation and use
• Fully threaded UNC coarse thread design delivers maximum grip and faster assembly in various materials
• Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes
• Phillips drive with rounded head allows for efficient installation and a clean, finished appearance
• Compliance with ASME B18.6.3 ensures dimensional accuracy and interoperability with other standardized components

Professional Applications & Engineering Value

Engineered for industrial applications requiring dependable fastening, this zinc-plated steel screw combines material strength with protective coating to prevent rust and corrosion in harsh conditions. The fully threaded UNC coarse thread and Class 2A thread fit provide secure, vibration-resistant connections in metal, plastic, and wood assemblies, reducing the risk of loosening over time. Its Phillips drive and rounded head facilitate quick installation while maintaining a professional finish, making it ideal for machinery, electrical enclosures, and structural frameworks where high tensile strength and regulatory compliance are critical.

Specification Summary & Compliance

This screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and reliable performance. It meets ASME B18.6.3 specifications for manufacturing consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial use without hazardous substances.