S-90022A191 8-32 x 3/4" ASME B18.3 Steel Pan Head Torx Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in demanding environments
• Enhanced torque transmission from the T20 Torx drive, reducing cam-out and tool wear during installation
• Exceptional holding power with 40,000 psi tensile strength and Rockwell B70 hardness for reliable performance under stress
• Quick and secure fastening with UNC coarse thread spacing and Class 2A fit, minimizing cross-threading risks
• Versatile pan head design providing a low-profile, rounded finish suitable for various industrial applications
• Full threading along the 3/4" length ensures maximum grip and uniform load distribution
• Compliance with major standards including ASME B18.3, RoHS 3, and REACH for safe, regulated use

Professional Applications & Engineering Value

This zinc-plated steel Torx pan head screw is engineered to address common industrial fastening challenges, such as vibration loosening and corrosion-induced failure. The 8-32 UNC coarse thread with Class 2A fit ensures precise engagement in machinery, electronics, and automotive assemblies, reducing installation time and improving joint integrity. The T20 Torx drive offers superior torque transfer, minimizing slippage and damage to drive systems. With a fully threaded design and 40,000 psi tensile strength, it provides consistent clamping force in high-stress applications, from conveyor systems to enclosures, while the zinc plating extends service life in humid or outdoor conditions.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse spacing for reliable fastening. It meets ASME B18.3 manufacturing specifications, ensuring dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.