S-92800A227 5/16"-24 x 5 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
• High tensile strength of 80,000 PSI ensures reliable, long-lasting fastening under heavy loads
• Fine UNF threading (5/16"-24) provides enhanced vibration resistance and secure grip in materials
• External hex drive design allows for easy installation and removal with standard tools
• Rockwell B70 hardness offers excellent durability and resistance to wear and deformation
• Partial threading enables precise control over clamping force and reduces thread damage
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance

Professional Applications & Engineering Value

These 18-8 Stainless Steel hex head screws are engineered to address critical industrial challenges, such as corrosion in marine, chemical, or outdoor settings. The 5/16"-24 UNF fine thread design enhances load distribution and minimizes loosening under vibration, making them ideal for machinery, automotive assemblies, and structural applications. With a Rockwell B70 hardness and 80,000 PSI tensile strength, they withstand high-stress conditions without compromising integrity. The external hex drive facilitates quick installation, reducing labor time in production lines. These partially threaded screws provide optimal clamping where full threading isn't required, preventing over-tightening and thread stripping in precision equipment.

Specification Summary & Compliance

This screw features a Class 2A thread fit for consistent accuracy and easy assembly, adhering to UNF fine thread standards. Dimensions include a 5 1/2" length with a minimum thread length of 7/8", and it is manufactured in the inch system. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.