S-92949A875 3/8"-24 x 2 1/2" ASME B18.3, ASTM F879 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Exceptional thread engagement and reliability from Class 3A fine (UNF) threading, minimizing the risk of loosening under vibration.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness, ensuring durability under significant load.
• Secure and efficient installation using a standard 7/32" hex drive, providing excellent torque transmission and reducing tool slippage.
• Full-length threading offers maximum grip and adjustability along the entire 2 1/2" length for versatile fastening applications.
• Low-profile, rounded button head design provides a finished appearance and reduces the risk of snagging in assembled products.
• Guaranteed compliance and quality, manufactured to meet ASME B18.3 specifications and adhering to RoHS 3 and REACH environmental regulations.

Professional Applications & Engineering Value

This 3/8"-24 UNF Rounded Head Screw is engineered to solve critical challenges in precision assembly and machinery. The 18-8 Stainless Steel material, combined with a Passivated Finish, provides exceptional resistance to oxidation and chemical exposure, making it suitable for applications in marine, food processing, and chemical plant equipment where corrosion is a primary concern. The Class 3A fine thread fit ensures a tight, secure connection that is less prone to vibrational loosening compared to coarse threads, which is vital for maintaining integrity in dynamic systems like automotive components, industrial machinery, and electronic enclosures. The hex drive and rounded button head design facilitate easy installation in confined spaces while offering a clean, snag-free profile, enhancing both the safety and aesthetic of the final product.

Specification Summary & Compliance

This screw features a 3/8"-24 UNF thread with a Class 3A fit for high precision and strength. It is fully threaded along its 2 1/2" length and manufactured in accordance with ASME B18.3 specifications. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for use in various industrial and consumer applications.