S-90604A545 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Pan Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction and passivated finish, ideal for harsh industrial environments
• Exceptional mechanical strength delivering 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Enhanced installation versatility through combined Phillips/Slotted drive (No. 3) accommodating various tool types
• Optimized thread engagement with fully threaded UNC coarse design and Class 2A fit ensuring secure fastening
• Streamlined assembly efficiency featuring right-hand threading and standard pan head profile for rapid installation
• Regulatory compliance assurance meeting ASME B18.6.3 specifications while being RoHS 3 and REACH compliant
• Consistent dimensional accuracy with precise 1" length and 1/4"-20 thread specifications for uniform performance

Professional Applications & Engineering Value

These 1/4-20 UNC rounded head screws deliver critical engineering value in demanding applications where corrosion resistance and mechanical reliability are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional protection against oxidation and chemical exposure, making them ideal for food processing equipment, marine hardware, and outdoor industrial machinery. The fully threaded coarse UNC pattern with Class 2A thread fit ensures maximum thread engagement in various materials, while the pan head design with Phillips/Slotted drive offers installation flexibility across maintenance and production environments. These screws effectively address common industrial challenges including vibration loosening, material degradation, and compliance requirements in regulated sectors.

Specification Summary & Compliance

Manufactured to precise dimensional standards including 1/4"-20 UNC coarse threads with Class 2A thread fit tolerance, 1" length, and standard pan head profile. These screws conform to ASME B18.6.3 mechanical and dimensional specifications, ensuring interchangeability and performance reliability. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming restriction of hazardous substances for global industrial applications.