S-91772A069 0-80 x 7/8" 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, ideal for harsh environments and extended service life
• Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under high stress
• Precise and secure fastening ensured by Class 2A thread fit and UNF fine threads, minimizing the risk of loosening in vibration-prone applications
• Optimized for efficient installation with a Phillips No. 0 drive and standard pan head design, allowing for quick assembly with common tools
• Full thread engagement across the entire 7/8" length provides maximum grip and load distribution in thin materials or deep holes
• Broad regulatory compliance including ASME B18.6.3, RoHS 3, and REACH, ensuring material safety and meeting international quality standards
• Versatile right-hand threading compatible with standard UNF nuts and components, simplifying sourcing and replacement in existing assemblies

Professional Applications & Engineering Value

This 0-80 UNF fine thread screw is engineered to address critical challenges in precision assemblies, particularly in electronics, instrumentation, and aerospace sectors where space is constrained and reliability is non-negotiable. The passivated 18-8 stainless steel offers excellent resistance to oxidation and chemical exposure, making it suitable for outdoor or corrosive environments. Its fully threaded 7/8" length and Class 2A thread fit ensure consistent clamping force and reduce the risk of cross-threading during installation. The combination of 70,000 psi tensile strength and a rounded pan head with Phillips No. 0 drive provides a robust fastening solution that withstands vibrational stresses while enabling efficient manual or automated driving. These features make it an ideal choice for securing sensitive components, enclosures, and machinery parts where durability and precision are paramount.

Specification Summary & Compliance

This screw adheres to ASME B18.6.3 specifications, ensuring dimensional accuracy and interchangeability. The UNF 0-80 fine thread is manufactured to Class 2A tolerance for consistent fit. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. The material and construction meet the stated mechanical properties, including Rockwell B70 hardness and 70,000 psi tensile strength, validating its use in high-performance industrial applications.