S-91772A504 2-56 x 3/32" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to passivated 18-8 stainless steel, ensuring long-term reliability in harsh environments.
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding industrial applications.
• Fully threaded design offers maximum grip and uniform stress distribution, reducing the risk of loosening.
• Class 2A thread fit ensures easy assembly and consistent performance with standard mating components.
• Pan head with Phillips drive (No. 1 size) allows for quick installation and secure fastening with common tools.
• Compliance with ASME B18.6.3 guarantees dimensional accuracy and interchangeability in precision assemblies.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains.

Professional Applications & Engineering Value

These 2-56 UNC Pan Head Phillips Machine Screws are engineered from passivated 18-8 stainless steel to address critical challenges in industrial settings, such as corrosion from moisture, chemicals, or outdoor exposure. The coarse thread spacing and fully threaded design enhance holding power in materials like metals and plastics, preventing strip-out and vibration-induced failures. Ideal for electronics, machinery, and automotive assemblies, they provide reliable fastening where high tensile strength (70,000 psi) and durability are paramount. The right-hand thread and rounded pan head streamline installation in tight spaces, reducing assembly time while maintaining ASME B18.6.3 standards for precision.

Specification Summary & Compliance

This screw features a 2-56 UNC thread size with Class 2A thread fit for consistent dimensional accuracy and easy mating. 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, ensuring environmental safety and material integrity.