S-91802A207 8-32 x 2 1/2" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and washdown applications.
• High mechanical strength and durability with 80,000 psi tensile strength and Rockwell B80 hardness, ensuring reliable performance under stress.
• Secure and flush installation thanks to the oval head design and standard profile, providing a smooth, finished appearance and reduced snagging.
• Efficient assembly and disassembly with a No. 2 Phillips drive, offering common tool compatibility and reducing installation time.
• Optimized thread engagement with a partially threaded UNC coarse thread design, allowing for precise clamping force on specific material sections.
• Consistent dimensional accuracy with Class 2A thread fit, ensuring reliable mating with nuts and tapped holes for repeatable assemblies.
• Compliance with global standards including ASME B18.6.3, RoHS 3, and REACH, guaranteeing safety and regulatory acceptance for international projects.

Professional Applications & Engineering Value

This 8-32 machine screw is engineered to address common industrial challenges, such as corrosion in demanding environments and the need for reliable fastening in machinery and equipment. The passivated 18-8 stainless steel material provides excellent resistance to rust and chemicals, extending service life in applications like food processing, marine hardware, and outdoor structures. Its partially threaded design with UNC coarse threads ensures strong grip in softer materials or where controlled clamping is critical, reducing the risk of stripping. The oval head with Phillips drive allows for quick, tool-friendly installation while maintaining a low-profile finish, making it ideal for assembly lines and maintenance tasks where efficiency and aesthetics matter.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading (8-32 size) per standard specifications, ensuring dimensional consistency. It is manufactured in compliance with ASME B18.6.3 for mechanical and dimensional requirements. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and suitable for global supply chains.