S-90273A830 10-32 x 5/8" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• High tensile strength of 60,000 psi ensures reliable fastening under significant mechanical stress
• Precision Class 2A thread fit provides smooth installation and consistent engagement in UNF fine-thread applications
• 82° countersink angle with standard flat head profile enables flush mounting for clean, professional finishes
• Phillips No. 2 drive design offers efficient installation with common tools while minimizing cam-out risk
• Full threading along the 5/8" length maximizes grip strength and load distribution across the entire fastener
• Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures regulatory acceptance for industrial use

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver exceptional engineering value through their zinc-plated steel construction and precision fine thread spacing. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses critical industrial requirements for fasteners that maintain integrity under vibration and load stress. The fully threaded right-hand design with Class 2A thread fit ensures consistent performance in machinery assembly, electronic enclosures, and automotive components where flush mounting is essential. The Phillips No. 2 drive facilitates rapid installation in production environments while the corrosion-resistant plating extends service life in humid or outdoor applications, making these flat head screws ideal for OEM manufacturing and maintenance operations demanding reliable, specification-compliant fastening solutions.

Specification Summary & Compliance

This fastener maintains precise Class 2A thread fit tolerances per UNF thread standards with 10-32 thread size and fine thread spacing. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy, including 0.362" head diameter and 82° countersink angle. The product meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, ensuring suitability for global industrial markets requiring restricted substance control.