S-95233A253 1/4"-20 x 3/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with PTFE-coated 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable, long-lasting fastening
• Optimized drive engagement through No. 3 Phillips drive style, ensuring efficient installation and reduced cam-out risk
• Enhanced thread reliability with UNC coarse threading and Class 2A fit, providing secure holding power in various materials
• Complete thread coverage with fully threaded design for maximum grip and load distribution along the entire fastener length
• Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
• Versatile pan head design with standard rounded profile offering broad bearing surface and clean aesthetic appearance

Professional Applications & Engineering Value

These PTFE-coated stainless steel pan head screws deliver critical performance advantages in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The combination of 18-8 stainless steel substrate with PTFE coating creates a barrier against chemical exposure, moisture, and extreme temperatures, significantly extending service life in marine, chemical processing, and food equipment applications. The UNC coarse thread configuration with Class 2A fit ensures rapid installation and secure fastening in both metallic and non-metallic materials, while the fully threaded design provides consistent clamping force across the entire engagement length. These Phillips drive screws are engineered to withstand vibration and thermal cycling without compromising joint integrity, making them ideal for assembly lines, machinery maintenance, and OEM equipment manufacturing where fastener failure is not an option.

Specification Summary & Compliance

This 1/4"-20 x 3/4" pan head screw features precise Class 2A thread fit tolerance per UNC standards, ensuring consistent engagement and reliable performance. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations regarding chemical safety, meeting the latest compliance requirements as of June 2022. The fully threaded construction maintains uniform thread geometry throughout the 3/4" length, providing predictable and repeatable fastening performance across industrial applications.