S-91400A198 8-32 x 7/8" FF-S-92, QQ-P-35, MS51957-48 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength for reliable performance under high-stress conditions
• Easy installation and removal with Phillips No. 2 drive design, reducing assembly time and tool wear
• Precise thread engagement through Class 2A thread fit and UNC coarse threading, ensuring secure fastening and vibration resistance
• Full-threaded design provides maximum grip length and uniform load distribution across the entire fastener
• Rounded pan head profile offers a low-profile finish while preventing surface damage during tightening
• Comprehensive regulatory compliance including RoHS 3 and REACH, meeting international environmental and safety standards

Professional Applications & Engineering Value

This 8-32 UNC rounded head screw delivers exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making it ideal for manufacturing equipment, electrical enclosures, and outdoor machinery. The fully threaded design combined with coarse UNC threading ensures rapid installation and superior holding power in various materials, from metals to plastics. The Phillips drive facilitates efficient assembly in high-volume production environments, while the rounded pan head sits flush to prevent snagging and improve safety. These industrial screws solve critical fastening challenges in automotive, aerospace, and machinery sectors where vibration resistance and long-term durability are essential.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerance for consistent engagement and meets UNC thread standards with 8-32 coarse threading. Manufacturing complies with Fed. Spec. FF-S-92, QQ-P-35, and MS51957-48 specifications, ensuring dimensional accuracy and performance reliability. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, adhering to international environmental and substance restriction regulations for industrial components.