S-91771A922 0-80 x 11/32" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• Superior tensile strength of 80,000 psi ensures reliable, high-load fastening without failure.
• Precision Class 2A thread fit guarantees smooth assembly and consistent performance in fine-thread applications.
• Fully threaded design provides maximum grip and holding power across the entire screw length.
• Phillips No. 0 drive offers secure, efficient installation with standard tools, reducing slippage.
• Compliant with ASME B18.6.3, RoHS 3, and REACH for assured quality, safety, and environmental responsibility.
• Flat head profile with 100° countersink allows for a flush, low-profile finish in precision assemblies.

Professional Applications & Engineering Value

These 0-80 UNF flat head Phillips machine screws are engineered for precision applications where reliability and corrosion resistance are critical. The passivated 18-8 stainless steel material provides excellent durability against moisture and chemicals, making them ideal for electronics, aerospace, and medical devices. The fine UNF threads and Class 2A fit ensure tight, vibration-resistant connections in delicate assemblies, while the fully threaded design maximizes engagement in thin materials. With a Rockwell B80 hardness and high tensile strength, these screws withstand repetitive stress, reducing maintenance needs and enhancing product lifespan in industrial settings.

Specification Summary & Compliance

This screw features a 0-80 UNF fine thread with Class 2A tolerance for precise fit, a length of 11/32", and a standard flat head with 100° countersink angle. It is manufactured in compliance with ASME B18.6.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and reliable use in global industrial applications.