S-90471A444 10-32 x 1 1/2" 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-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing applications
• Precision thread engagement with Class 2A fit and UNF fine threads ensuring secure, vibration-resistant fastening
• Efficient installation with Phillips No. 2 drive and standard flat head profile for flush mounting and quick assembly
• Full-threaded design providing maximum grip length and uniform stress distribution across the entire fastener
• Standard-compliant manufacturing meeting ASME B18.6.3 specifications for consistent quality and dimensional accuracy
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver exceptional engineering value in industrial applications where flush mounting and high-strength fastening are critical. The zinc-plated steel construction provides reliable corrosion protection in manufacturing environments, while the fine thread design and Class 2A thread fit ensure precise engagement in metal assemblies and machinery components. The Phillips No. 2 drive facilitates efficient installation in high-volume production settings, and the fully threaded configuration maximizes holding power in applications requiring uniform clamping force. These flat head screws are engineered to solve common industrial challenges including vibration loosening, corrosion degradation, and installation efficiency.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerances for precision engagement. Features UNF fine threads (10-32) with right-hand threading direction and standard 100° countersink angle. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The screws maintain dimensional accuracy with 1 1/2" length, 0.362" head diameter, and fully threaded design for consistent performance in industrial applications.