S-91735A425 3/8"-16 x 1" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction with passivated finish
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
• Reliable thread engagement ensured by Class 2A thread fit and fully threaded design for maximum holding power
• Optimized drive performance with Phillips No. 4 drive style providing secure installation and reduced cam-out risk
• Industry-standard compatibility with UNC coarse threads (3/8"-16) meeting ASME B18.6.3 specifications
• Enhanced safety compliance through RoHS 3 and REACH environmental regulations adherence
• Versatile rounded pan head design offering low-profile installation and improved aesthetic appearance

Professional Applications & Engineering Value

These 316 stainless steel rounded head screws deliver critical performance advantages in demanding industrial environments where corrosion resistance and structural integrity are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation and reliable fastening in applications ranging from marine equipment to chemical processing systems. The passivated finish significantly enhances the natural corrosion resistance of 316 stainless steel, making these fully threaded screws ideal for outdoor applications, food processing equipment, and pharmaceutical manufacturing where exposure to moisture and aggressive chemicals is common. The Phillips drive system provides efficient torque transfer while the rounded pan head design distributes clamping force evenly, preventing surface damage and maintaining seal integrity in assembled components.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC 3/8"-16 coarse thread specification. These screws conform to ASME B18.6.3 mechanical and dimensional requirements, ensuring interchangeability and reliability across industrial applications. Environmental compliance is verified through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, confirming the absence of restricted substances. The inch system measurement guarantees compatibility with North American machinery and equipment standards.