S-90939A122 8-32 x 1/4" Stainless Steel Button Head Torx Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 130,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
• Premium A286 stainless steel construction offers superior corrosion resistance, extending service life in harsh environments and minimizing maintenance needs.
• Torx T20 drive system provides enhanced torque transfer and reduced cam-out, allowing for secure installations and improved assembly efficiency.
• Class 2A thread fit with UNC coarse spacing delivers consistent engagement and easy alignment, speeding up assembly while maintaining precision.
• Fully threaded design ensures maximum grip and uniform load distribution, enhancing joint integrity across various materials.
• Rounded button head profile combines a low-profile, aesthetic finish with practical functionality, reducing snagging and improving safety in tight spaces.
• Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global standards for restricted substances, supporting sustainable procurement.

Professional Applications & Engineering Value

This 8-32 UNC A286 stainless steel Torx button head screw is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and heavy machinery. The A286 stainless steel material provides excellent resistance to oxidation and high temperatures, preventing degradation in corrosive or thermally intense settings. With a Rockwell C24 hardness and fully threaded configuration, it ensures durable, vibration-resistant connections that withstand dynamic loads. The Torx drive minimizes tool slippage, enhancing worker safety and reducing assembly errors, while the coarse thread spacing facilitates quick installation in coarse-grained materials. Ideal for applications requiring precision fasteners with reliable corrosion resistance, this screw delivers long-term performance and cost savings by lowering replacement frequency.

Specification Summary & Compliance

This screw adheres to Class 2A thread fit tolerances under the UNC (Unified National Coarse) standard, ensuring dimensional accuracy and interchangeability. Manufactured with a right-hand thread and coarse thread spacing, it meets precise engineering requirements for inch system applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in environments with strict environmental and health standards. These specifications support consistent performance in industrial fastening tasks, backed by rigorous quality controls.