S-97181A126 1/4"-20 x 3/4" ASME B18.6.3 Stainless Steel Pan Head Combination Phillips/Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction and passivated surface treatment
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B100 hardness for reliable load-bearing performance
• Precision thread engagement with Class 2A thread fit and UNC coarse threads ensuring secure fastening and vibration resistance
• Versatile drive compatibility through combined Phillips/Slotted (No. 3) drive for flexible installation in various applications
• Full-threaded design providing maximum grip length and uniform stress distribution along the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards while being RoHS 3 and REACH compliant
• Optimized pan head design with rounded profile offering improved clearance and professional appearance in finished assemblies

Professional Applications & Engineering Value

These 316 stainless steel pan head screws deliver critical performance advantages in demanding industrial environments where corrosion resistance and mechanical reliability are paramount. The combination of fully threaded UNC coarse threads and Class 2A thread fit ensures rapid installation with consistent clamping force, while the passivated finish significantly enhances protection against chemical exposure and oxidation. Engineered to ASME B18.6.3 specifications, these rounded head screws provide exceptional value in marine equipment, chemical processing machinery, food processing systems, and outdoor infrastructure where environmental factors would compromise inferior fasteners. The dual Phillips/Slotted drive options accommodate various installation tools, streamlining assembly processes without compromising fastener integrity.

Specification Summary & Compliance

This 1/4"-20 x 3/4" pan head screw features precision UNC coarse threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and quality assurance. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions. Material certification confirms 316 stainless steel composition with Rockwell B100 hardness and 100,000 psi tensile strength ratings.