S-96640A110 6-32 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and vibration.
• Rockwell B80 hardness provides excellent durability and resistance to wear over time.
• Class 2A thread fit with UNC coarse threading for easy installation and secure fastening.
• 82° countersink angle and flat head design allows for a flush, professional finish in countersunk holes.
• Phillips drive (No. 2 size) offers common tool compatibility and efficient driving with reduced cam-out risk.
• Fully threaded shank maximizes grip and holding power across the entire length.

Professional Applications & Engineering Value

This 6-32 x 1/4" flat head Phillips machine screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and the need for precise, flush mounting. The Black-Oxide 18-8 Stainless Steel construction provides a robust barrier against rust and chemical exposure, making it suitable for outdoor equipment, marine applications, and machinery in humid conditions. The UNC coarse thread and Class 2A fit ensure quick assembly and reliable thread engagement, reducing installation time and minimizing the risk of cross-threading. Its flat head with an 82° countersink angle is perfect for applications requiring a smooth surface, such as in electronics enclosures, automotive panels, and precision instruments, where protrusions are unacceptable. These features collectively enhance product longevity, reduce maintenance needs, and support efficient production workflows.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent assembly and UNC coarse threading (6-32 size). It is manufactured in compliance with ASME B18.6.3 specifications, ensuring interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for various industrial and consumer applications.