S-92800A313 7/8"-14 x 4 1/2" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 80,000 PSI ensures reliable performance under heavy loads and stress
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening in critical applications
• External hex drive design provides easy installation and removal with standard tools
• Partially threaded shank allows for optimal grip and vibration resistance in structural connections
• Fine UNF threading (7/8"-14) offers superior holding power and resistance to loosening
• Full compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence

Professional Applications & Engineering Value

This 18-8 stainless steel hex head screw is engineered to address demanding industrial challenges where corrosion resistance, strength, and precision are paramount. The 7/8"-14 UNF fine thread with Class 2A fit ensures tight tolerances and reliable performance in heavy machinery, construction, and marine applications. Its partially threaded design concentrates stress effectively, reducing the risk of fatigue failure. With an 80,000 PSI tensile strength and Rockwell B70 hardness, it withstands extreme forces and vibrations, making it a trusted choice for structural fastening, equipment assembly, and high-stress environments where durability and compliance with RoHS and REACH standards are critical.

Specification Summary & Compliance

This screw features a 7/8"-14 UNF fine thread with Class 2A thread fit for precise dimensional accuracy, adhering to standard inch system measurements. It is manufactured from 18-8 stainless steel with a tensile strength of 80,000 PSI and Rockwell B70 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.