S-91771A102 0-80 x 1" 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.
• Exceptional tensile strength of 80,000 psi provides reliable fastening under high-stress applications.
• Precise Class 2A thread fit ensures smooth installation and secure connections in fine-threaded assemblies.
• Fully threaded 1" length delivers maximum grip and holding power across the entire fastener.
• Standard 82° countersink angle allows for flush mounting in precision-machined components.
• Rockwell B80 hardness offers excellent durability and resistance to wear during repeated use.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees industry-standard quality and environmental safety.

Professional Applications & Engineering Value

This 0-80 UNF flat head screw is engineered for precision applications where space constraints and material integrity are critical. Made from passivated 18-8 stainless steel, it resists oxidation and chemical exposure, making it suitable for electronics, aerospace, and medical equipment. The fine thread spacing and Class 2A thread fit provide superior vibration resistance and minimize loosening in dynamic environments. The Phillips No. 0 drive ensures easy installation with standard tools, while the flat head design and 82° countersink angle allow for seamless integration into assemblies without protrusion. Ideal for securing sensitive components where reliability and compliance with ASME B18.6.3 standards are non-negotiable.

Specification Summary & Compliance

This screw features a 0-80 UNF thread size with fine thread spacing and Class 2A thread fit for precise dimensional accuracy. It meets ASME B18.6.3 manufacturing specifications, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industries.