S-91772A170 1-64 x 1/2" 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 industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Wide compatibility and secure fastening through Class 2A UNC coarse threads and fully threaded design
• Efficient installation and removal with No. 0 Phillips drive and standard pan head profile
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards (RoHS 3/REACH)
• Optimized for industrial applications with 1/2" length and right-hand threading for standard assembly processes

Professional Applications & Engineering Value

These 1-64 UNC pan head Phillips screws deliver critical performance in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction prevents oxidation and chemical degradation, extending service life in manufacturing equipment, electrical enclosures, and outdoor assemblies. The coarse thread design ensures rapid installation and superior holding power in various materials, while the fully threaded configuration provides consistent clamping force along the entire 1/2" length. With 70,000 psi tensile strength and standardized Phillips drive, these screws eliminate premature failure risks and streamline maintenance operations across automotive, machinery, and structural applications.

Specification Summary & Compliance

Manufactured to ASME B18.6.3 standards with Class 2A thread fit for precise dimensional accuracy. Features UNC coarse threads (1-64), right-hand threading, and fully threaded design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Mechanical properties include Rockwell B70 hardness and 70,000 psi tensile strength.