S-96640A247 12-24 x 1 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
• High tensile strength of 80,000 PSI ensures reliable fastening under heavy loads, reducing the risk of mechanical failure.
• Rockwell B80 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.
• Fully threaded design offers maximum grip and uniform stress distribution along the entire length for secure assemblies.
• Standard 82° countersink angle allows for a flush finish in pre-drilled holes, enhancing aesthetics and safety.
• Phillips No. 3 drive enables easy installation with common tools, improving assembly efficiency and reducing labor time.
• Class 2A thread fit ensures smooth engagement and interchangeability, minimizing installation errors in production lines.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 12-24 UNC flat head screws address common challenges like corrosion and vibration loosening. The Black-Oxide 18-8 Stainless Steel material provides a protective layer that resists rust and oxidation, making them suitable for outdoor equipment, marine hardware, and chemical processing facilities. The coarse UNC threads and fully threaded design ensure quick, secure fastening in soft materials or where high pull-out strength is critical. With a Phillips drive and standard 82° countersink angle, they facilitate efficient installation in tight spaces, reducing assembly time while maintaining a low-profile finish. Ideal for machinery, automotive, and construction projects, these screws deliver long-term reliability and compliance with industry standards.

Specification Summary & Compliance

This product adheres to Class 2A thread fit for consistent dimensional accuracy and smooth assembly. It meets ASME B18.6.3 specifications for mechanical and dimensional requirements, ensuring interoperability. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of hazardous substances. Manufactured in the inch system with UNC coarse threads and right-hand thread direction, it supports global engineering standards for reliable performance.