S-91253A018 10-32 x 2" ASME B18.3 Alloy Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide coating for extended service life in harsh industrial environments
• Exceptional mechanical strength with 130,000 psi tensile strength and Rockwell C39 hardness for heavy-duty applications
• Precision thread engagement with Class 3A fit and UNF fine threads ensuring reliable, vibration-resistant connections
• Optimized flush mounting with standard 82° countersink angle for seamless surface integration
• Enhanced installation control through hex drive design providing superior torque transmission
• Partial threading design offering both secure fastening and alignment flexibility in assembly operations
• Full regulatory compliance meeting ASME B18.3, ASTM F835, RoHS 3, and REACH standards for global industrial use

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver critical engineering solutions for industrial applications requiring both high-strength fastening and corrosion resistance. The black-oxide alloy steel construction provides superior protection against environmental degradation while maintaining 130,000 psi tensile strength for demanding mechanical assemblies. The Class 3A thread fit ensures precise engagement in fine thread applications where vibration resistance is paramount. With partial threading and 82° countersink angle, these screws facilitate both secure clamping and flush surface mounting in machinery, equipment manufacturing, and structural applications where reliability and professional finish are essential.

Specification Summary & Compliance

Manufactured to exacting standards with Class 3A thread fit precision and UNF fine thread spacing. Compliant with ASME B18.3 dimensional specifications and ASTM F835 mechanical requirements. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety and regulatory acceptance in global markets.