S-92245A853 3/4"-10 x 2" FF-S-85, MS35307-487 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Passivated 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Superior mechanical strength offering 70,000 psi tensile strength and Rockwell B74 hardness for heavy-duty load-bearing applications.
• Precise and reliable fastening with Class 2A thread fit, reducing the risk of cross-threading and ensuring secure connections.
• Efficient installation and removal thanks to the external hex drive and 1 1/8" head width, compatible with standard tools.
• Versatile coarse threading (UNC) providing faster assembly and better performance in materials prone to galling or debris.
• Full threading along the 2" length for maximum grip and adjustability in various material thicknesses.
• Compliance with stringent industry standards including Fed. Spec. FF-S-85, RoHS 3, and REACH, ensuring safety and regulatory adherence.

Professional Applications & Engineering Value

This 3/4"-10 UNC hex head screw is engineered to address critical challenges in industrial fastening, where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel material combats rust and chemical exposure, extending service life in demanding settings like marine, chemical processing, and outdoor infrastructure. Its coarse thread spacing and Class 2A thread fit minimize binding during installation, enhancing efficiency in high-vibration environments. With a fully threaded design and external hex drive, it ensures uniform stress distribution and easy torque application, making it ideal for heavy machinery, structural assemblies, and equipment requiring reliable, repeatable disassembly. This screw delivers consistent performance, reducing maintenance downtime and supporting long-term operational safety.

Specification Summary & Compliance

The screw features a 3/4"-10 UNC coarse thread with Class 2A thread fit per standard inch system tolerances, ensuring dimensional accuracy and interchangeability. It meets Fed. Spec. FF-S-85 (MS35307-487) for material and manufacturing consistency, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances for safe use in global markets.