S-92800A406 7/16"-20 x 4" 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-term reliability in harsh environments
• High tensile strength of 80,000 PSI ensures secure fastening under heavy loads and vibration
• Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks
• External hex drive design allows for high-torque installation with standard tools
• Full threading along 4" length offers maximum adjustability and grip range
• UNF fine thread configuration delivers better tension control in critical applications
• Compliance with RoHS 3 and REACH regulations ensures environmental responsibility and global acceptance

Professional Applications & Engineering Value

This 7/16"-20 UNF hex head screw delivers exceptional performance in demanding industrial settings where corrosion resistance and mechanical strength are paramount. The 18-8 stainless steel composition provides excellent durability against chemicals, moisture, and temperature variations, making it ideal for marine equipment, food processing machinery, and outdoor structural applications. The Class 2A thread fit combined with UNF fine threading ensures precise alignment and vibration resistance in dynamic assemblies. With 80,000 PSI tensile strength and Rockwell B70 hardness, this fully threaded fastener maintains integrity under sustained stress, while the external hex drive facilitates quick installation in confined spaces using standard wrenches.

Specification Summary & Compliance

This 4" hex head screw features 7/16"-20 UNF fine threads with Class 2A thread fit tolerances per unified screw thread standards. Manufactured from 18-8 stainless steel with Rockwell B70 hardness and 80,000 PSI tensile strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.