S-91306A358 10-32 x 3/4" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh industrial environments
• Exceptional tensile strength of 120,000 psi for reliable performance in high-stress applications
• Precision Class 3A thread fit ensures tight, secure fastening with minimal backlash
• Fully threaded design provides maximum grip and load distribution across the entire length
• Hardened alloy steel construction (Rockwell C39) offers excellent wear resistance and durability
• Convenient 1/8" hex drive allows for easy installation and removal with standard tools
• Low-profile rounded button head reduces snagging risks while maintaining a finished appearance

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 10-32 UNF Class 3A zinc-plated alloy steel rounded head screws deliver reliable fastening in machinery, automotive assemblies, and electronic enclosures. The fine UNF thread and Class 3A fit provide vibration resistance and precise alignment, critical for maintaining integrity in dynamic loads. With full threading and 120,000 psi tensile strength, they prevent loosening under stress, while the zinc plating combats corrosion in humid or outdoor environments. Ideal for applications requiring repeated disassembly, the hex drive ensures tool engagement without stripping, reducing maintenance downtime and enhancing operational efficiency.

Specification Summary & Compliance

This screw meets ASME B18.3 and ASTM F835 specifications for dimensional accuracy and performance. Threads conform to UNF Class 3A tolerances, ensuring precise fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence.