S-90939A137 10-32 x 1" Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with A286 stainless steel construction for long-term reliability in harsh environments
• Superior torque transmission through T25 Torx drive design, reducing cam-out risk and tool wear
• High tensile strength of 130,000 psi ensures reliable performance under extreme mechanical stress
• Precision Class 2A thread fit provides consistent engagement and vibration resistance in critical assemblies
• Low-profile rounded head design offers smooth surface finish while maintaining adequate clearance
• Full threading along 1" length enables maximum grip range and adjustment flexibility
• Compliance with RoHS 3 and REACH regulations ensures environmental responsibility and global market acceptance

Professional Applications & Engineering Value

These 10-32 UNF A286 stainless steel rounded head screws deliver exceptional performance in demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The Torx T25 drive system provides superior torque transfer compared to conventional drives, minimizing fastener damage during installation in automated assembly processes. With Rockwell C24 hardness and 130,000 psi tensile strength, these fully threaded fasteners maintain structural integrity in high-vibration applications such as aerospace components, precision machinery, and electronic enclosures. The fine thread spacing and Class 2A fit ensure precise alignment and secure fastening in thin materials where thread engagement is critical, while the rounded head profile reduces stress concentration points for improved fatigue resistance.

Specification Summary & Compliance

These industrial fasteners feature precision 10-32 UNF threads with Class 2A fit tolerance ensuring consistent mating with standard UNF nuts and threaded components. The manufacturing process adheres to strict dimensional controls with 0.361" head diameter and 1" length specifications. Regulatory compliance includes full adherence to RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, making them suitable for global industrial applications and environmentally conscious manufacturing operations.