S-94066A851 8-32 x 1/4" Tamper-Resistant Drilled Spanner Stainless Steel Pan Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ideal for harsh environments
• High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B96 hardness for reliable, long-term performance
• Secure and precise installation using the drilled spanner drive (No. 8 size), preventing cam-out and ensuring tight fastening
• Excellent thread engagement and vibration resistance from coarse UNC threading and Class 2A fit, reducing loosening in dynamic applications
• Full threading along the 1/4" length allows for maximum grip and uniform stress distribution across joined materials
• Rounded pan head design provides a low-profile, finished appearance while minimizing snagging risks
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial markets

Professional Applications & Engineering Value

This 8-32 UNC 1/4" rounded head screw in 18-8 stainless steel is engineered to address critical challenges in industrial settings, such as exposure to moisture, chemicals, and mechanical stress. The passivated finish enhances its innate corrosion resistance, making it a dependable choice for applications in electronics, machinery, and outdoor equipment where reliability is paramount. The drilled spanner drive ensures secure tool engagement during installation, reducing the risk of damage to the screw head and improving assembly efficiency. With its coarse thread spacing and Class 2A thread fit, it offers quick installation and robust holding power, even in materials prone to vibration. Fully threaded and built to withstand up to 80,000 psi tensile loads, this screw delivers consistent performance in demanding industrial screw applications, from securing panels to assembling durable consumer products.

Specification Summary & Compliance

This screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy and ease of assembly. It is manufactured from 18-8 stainless steel with a passivated finish, and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.