S-90279A148 6-32 x 1/2" 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 substantial mechanical stress
• Rockwell B69 hardness rating provides excellent durability and resistance to deformation during installation
• Full UNC coarse threading enables faster installation and superior grip in various materials
• Class 2A thread fit guarantees consistent performance and compatibility with standard nuts and threaded holes
• Phillips No. 2 drive design offers secure tool engagement and reduces cam-out during high-torque applications
• Rounded head profile creates a finished appearance while minimizing snagging hazards in assembled products

Professional Applications & Engineering Value

Engineered for precision assembly requirements, these zinc-plated steel screws deliver exceptional performance in industrial fastening applications. The combination of UNC coarse thread spacing and full threading provides rapid installation and maximum thread engagement in metal, plastic, and composite materials. The Phillips drive system ensures reliable torque transfer while the rounded head design eliminates sharp edges, making them ideal for electronics enclosures, machinery guards, and automotive components where both aesthetic finish and safety are paramount. The 60,000 psi tensile strength and Rockwell B69 hardness ensure these fasteners maintain integrity in vibration-prone environments, solving common challenges of loosening and material fatigue in continuous operation settings.

Specification Summary & Compliance

This 6-32 x 1/2" rounded head screw features precise Class 2A thread fit tolerances and UNC coarse thread spacing according to established industrial standards. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance requirements. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restrictions and REACH (EC 1907/2006) regulations for chemical safety, ensuring environmental responsibility and workplace safety compliance.