S-91772A679 3/8"-16 x 1 1/4" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Optimized thread engagement through fully threaded 3/8"-16 UNC coarse design ensures secure fastening in various materials
• Precise installation control with Phillips #4 drive and rounded pan head design for efficient torque application
• Industry-standard compliance meeting ASME B18.6.3 specifications for consistent quality and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use in regulated applications
• Reliable thread fit with Class 2A tolerance ensuring consistent assembly performance and reduced cross-threading risks

Professional Applications & Engineering Value

This 3/8"-16 UNC pan head screw delivers exceptional engineering value in demanding industrial applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making it ideal for marine equipment, food processing machinery, and outdoor structural assemblies. The fully threaded coarse design ensures maximum grip strength in softer materials while the rounded pan head with Phillips #4 drive offers practical installation advantages in confined spaces. With its 70,000 psi tensile strength, this fastener maintains structural integrity under vibration and dynamic loads, solving critical failure points in heavy machinery, transportation equipment, and industrial manufacturing systems where corrosion-resistant screws are essential for long-term operational safety.

Specification Summary & Compliance

Manufactured to precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading ensuring consistent assembly performance. Complies with ASME B18.6.3 mechanical standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, confirming restriction of hazardous substances. The passivated 18-8 stainless steel construction maintains material integrity while providing enhanced corrosion protection for industrial applications.