S-91735A426 3/8"-16 x 1 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
- Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable load-bearing performance
- Enhanced durability through passivated surface finish, providing extended service life in demanding applications
- Optimized installation efficiency with Phillips No. 4 drive and fully threaded design for quick, secure fastening
- Precision thread engagement with Class 2A thread fit and UNC coarse threads ensuring consistent, vibration-resistant connections
- Broad regulatory compliance meeting ASME B18.6.3 manufacturing standards and environmental regulations including RoHS 3 and REACH
- Versatile rounded pan head design offering low-profile installation with improved aesthetics and reduced snagging risks
Professional Applications & Engineering Value
These 316 stainless steel rounded head screws deliver critical performance advantages in corrosive and high-stress environments. 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 corrosion resistance beyond standard stainless steel. Engineers specify these Phillips drive screws for applications requiring reliable fastening in chemical processing equipment, marine hardware, and food processing machinery where both 80,000 psi tensile strength and regulatory compliance are mandatory. The rounded pan head profile provides a secure driving surface while maintaining a low-profile appearance ideal for visible applications.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent engagement. Features 3/8"-16 UNC coarse threads with full threading along the 1-1/2" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for restricted substance-controlled applications. The passivated finish on 316 stainless steel provides enhanced surface protection while maintaining the material's inherent corrosion resistance properties.
