S-91306A352 10-32 x 1/4" ASTM F835 Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
• Exceptional tensile strength of 120,000 psi ensures reliable performance under high-stress applications
• Precision Class 3A thread fit provides tighter tolerances and vibration resistance for secure fastening
• Full threading design offers maximum grip and load distribution along the entire screw length
• Convenient 1/8" hex drive allows for easy installation and removal with standard tools
• Hardened Rockwell C39 material maintains structural integrity and prevents stripping during torque application
• Compliant with major industry standards including ASME B18.3 and ASTM F835 for guaranteed quality and interoperability

Professional Applications & Engineering Value

These 10-32 UNF Class 3A zinc-plated alloy steel rounded head screws deliver critical reliability in precision assemblies where vibration resistance and corrosion protection are paramount. The fine thread spacing and Class 3A fit ensure minimal backlash in machinery, automotive, and electronics applications, while the fully threaded design provides consistent clamping force across joints. The zinc-plated finish combats environmental degradation, making these button head screws ideal for outdoor equipment and marine components. With 120,000 psi tensile strength, they withstand dynamic loads without failure, reducing maintenance cycles in conveyor systems, robotic arms, and structural frameworks.

Specification Summary & Compliance

Manufactured to ASME B18.3 and ASTM F835 specifications with Class 3A thread fit for precision alignment. Features UNF fine threads (10-32) with right-hand direction and fully threaded 1/4" length. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe industrial use.