S-92800A435 7/8"-9 x 4 1/2" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
• Reliable coarse threading with UNC 7/8"-9 threads and Class 2A fit for secure, vibration-resistant connections
• Full-threaded design ensures maximum grip length and uniform load distribution across the entire fastener
• Easy installation and removal with standard external hex drive and 1 5/16" head width for common tool compatibility
• Compliance with environmental regulations including RoHS 3 and REACH for safe, sustainable industrial use
• Right-hand thread direction provides standard, intuitive fastening for efficient assembly operations

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 7/8"-9 UNC hex head screws deliver exceptional performance in construction, machinery assembly, and structural frameworks. The 18-8 Stainless Steel composition provides outstanding corrosion resistance, significantly extending service life in moisture-prone or chemically aggressive environments. With fully threaded design and Class 2A thread fit, these fasteners ensure precise engagement and uniform stress distribution, preventing loosening under vibration and heavy loads. The coarse UNC threading enables quick installation in various materials while maintaining high tensile strength of 80,000 psi, making them ideal for critical connections where reliability is paramount. Their external hex drive and substantial head dimensions facilitate secure tool engagement, reducing installation time and improving workplace efficiency.

Specification Summary & Compliance

This heavy-duty hex head screw features precise Class 2A thread fit according to UNC standards with 7/8"-9 coarse threading and right-hand direction. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and chemical compliance. The fastener maintains dimensional accuracy with 4-1/2" length, 35/64" head height, and 1 5/16" head width, providing consistent performance across industrial applications.