S-91772A326 2-56 x 7/32" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in demanding environments
• Exceptional tensile strength rated at 70,000 PSI ensures reliable performance under high-stress applications
• Full threading design provides maximum grip and uniform stress distribution along the entire fastener length
• Precision UNC coarse threads with Class 2A fit enable quick installation and secure fastening in various materials
• Optimized Phillips No. 1 drive with pan head design offers excellent torque transmission and flush mounting capability
• Comprehensive regulatory compliance meets ASME B18.6.3 standards and environmental regulations for global industrial use
• Right-hand thread orientation ensures compatibility with standard assembly procedures and equipment

Professional Applications & Engineering Value

These 2-56 UNC pan head machine screws deliver critical performance advantages for precision assembly applications where corrosion resistance and mechanical strength are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for electronics enclosures, medical devices, marine equipment, and food processing machinery. The fully threaded design ensures maximum engagement in thin materials and blind holes, while the coarse UNC thread form facilitates rapid installation in production environments. The combination of 70,000 PSI tensile strength and Phillips drive system creates a reliable fastening solution that withstands vibration and thermal cycling in industrial settings, reducing maintenance frequency and improving equipment reliability.

Specification Summary & Compliance

This machine screw features precision 2-56 UNC coarse threads with Class 2A fit tolerance for consistent engagement and reliable performance. Manufacturing strictly adheres to ASME B18.6.3 specifications ensuring dimensional accuracy and interchangeability. The fastener is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and meets REACH (EC 1907/2006) requirements for chemical safety, making it suitable for regulated industries and international markets.