S-91249A720 12-24 x 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable fastening under heavy loads and vibration
• Rockwell B70 hardness provides excellent durability and resistance to wear
• Class 2A thread fit with UNC coarse threading for quick assembly and reduced cross-threading risks
• Fully threaded design offers maximum grip and uniform stress distribution
• Phillips No. 3 drive enables efficient installation with standard tools
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality and environmental safety

Professional Applications & Engineering Value

These 12-24 UNC coarse thread screws are engineered to address common industrial challenges like corrosion, mechanical stress, and assembly efficiency. The Black-Oxide 18-8 Stainless Steel material provides a protective layer that enhances resistance to rust and oxidation, making them suitable for outdoor or humid conditions. The pan head with Phillips No. 3 drive ensures easy, secure fastening in automated or manual assembly lines, reducing installation time. With a coarse thread and Class 2A fit, these screws minimize the risk of stripping and offer reliable performance in machinery, electronics, and construction applications where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

This screw features a 12-24 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with ASME B18.6.3 standards, ensuring consistent quality and interchangeability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety requirements for industrial use.