S-91249A194 8-32 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 coated 18-8 Stainless Steel, ideal for harsh industrial environments and outdoor applications.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and vibration, reducing the risk of fastener failure.
• Rockwell B70 hardness provides excellent durability and wear resistance, extending the screw's service life in demanding assemblies.
• Fully threaded design with Class 2A fit offers consistent engagement and easier installation, improving assembly speed and reliability.
• Coarse UNC thread allows for quick installation and better performance in softer materials or where debris is present.
• Phillips drive (No. 2 size) enables efficient torque application with common tools, minimizing cam-out and enhancing installation precision.
• Rounded pan head profile provides a low-profile, finished appearance while distributing clamp load effectively.

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 UNC coarse thread screws in Black-Oxide 18-8 Stainless Steel address critical challenges in machinery, electronics, and outdoor equipment. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures they withstand high stress and repetitive loading without stripping or shearing. The fully threaded design with Class 2A fit guarantees precise alignment and secure fastening in assemblies where vibration resistance is paramount. The Black-Oxide finish enhances corrosion resistance, making these rounded pan head screws suitable for humid or chemically exposed environments, while the Phillips drive simplifies maintenance and disassembly. Ideal for securing panels, brackets, and components in automotive, HVAC, and industrial machinery, these screws deliver long-term reliability and reduce maintenance costs.

Specification Summary & Compliance

This screw meets ASME B18.6.3 specifications for dimensional accuracy and performance. Threads conform to UNC coarse thread standards with a Class 2A fit for consistent engagement. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to. Key dimensions include a 1/2" length, 8-32 thread size, and 0.322" head diameter.