S-91771A976 6-32 x 3/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 80,000 psi ensures reliable fastening under demanding mechanical loads.
• Class 2A thread fit provides consistent, easy assembly with standard UNC coarse threads for quick installation.
• 100° countersink angle with undercut flat head allows for a flush, low-profile finish that minimizes snagging.
• Fully threaded design offers maximum grip and holding power along the entire 3/16" length.
• Phillips No. 2 drive enables efficient driving with common tools, reducing installation time.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.

Professional Applications & Engineering Value

These 6-32 UNC flat head screws are engineered to address common industrial challenges, such as vibration loosening and corrosion in demanding applications. The passivated 18-8 stainless steel material provides excellent durability against moisture and chemicals, while the fully threaded coarse thread design ensures secure fastening in metals, plastics, and assemblies. The undercut flat head with a 100° countersink angle sits flush to prevent interference and improve aesthetics in machinery, electronics, and automotive components. With a Rockwell B80 hardness and high tensile strength, these screws maintain integrity under stress, making them ideal for precision engineering where reliability is critical.

Specification Summary & Compliance

This product features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy for consistent performance. It adheres to ASME B18.6.3 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for safe, environmentally conscious industrial use.