S-92245A602 5/16"-24 x 1" FF-S-85, MS35308-334 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh environments
• Exceptional tensile strength rated at 70,000 psi for secure fastening in demanding industrial applications
• Precise Class 2A thread fit provides consistent engagement and reduces the risk of cross-threading during installation
• Partially threaded design offers optimal clamping force distribution and vibration resistance
• External hex drive with 1/2" head width enables quick installation and removal with standard tools
• Fine thread spacing (24 TPI) delivers enhanced holding power and improved adjustment precision
• Full regulatory compliance with RoHS 3, REACH, and Fed. Spec. FF-S-85 standards for worry-free procurement

Professional Applications & Engineering Value

This 5/16"-24 UNF hex head screw delivers exceptional engineering value through its passivated 18-8 stainless steel composition and precision manufacturing. The combination of 70,000 psi tensile strength and Rockwell B74 hardness ensures reliable performance in high-stress applications where fastener failure is not an option. The partially threaded design provides superior clamping force while minimizing material stress concentrations. Ideal for industrial machinery, equipment assembly, and structural frameworks, this fastener addresses critical concerns about corrosion resistance, vibration loosening, and long-term durability. The external hex drive facilitates efficient installation in confined spaces, making it particularly valuable for maintenance and repair operations across manufacturing, marine, and chemical processing industries.

Specification Summary & Compliance

This hex head screw features precision Class 2A thread fit with UNF fine thread spacing (5/16"-24) and right-hand threading. Manufactured to exacting standards including Fed. Spec. FF-S-85 (MS35308-334) with dimensional accuracy maintained throughout production. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. With a minimum thread length of 7/8" on a 1" overall length, this screw delivers consistent performance meeting industrial fastening requirements.