S-91735A871 3/8"-16 x 2 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh chemical environments thanks to 316 stainless steel construction and passivated finish
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for reliable performance under high stress
• Optimized assembly efficiency with fully threaded UNC coarse spacing and Class 2A thread fit for faster driving and secure fastening
• Enhanced user control provided by the No. 4 Phillips drive and rounded pan head design, reducing cam-out and improving torque application
• Long-term reliability ensured by compliance with ASME B18.6.3 manufacturing standards for consistent quality and dimensional accuracy
• Environmental and regulatory safety with full compliance to RoHS 3 and REACH standards, making them suitable for regulated industries
• Versatile industrial application due to the robust 2 1/2" length and durable material, ideal for demanding structural and machinery assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 316 stainless steel rounded head screw addresses critical challenges in corrosive and high-stress environments. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, providing reliable performance in chemical processing, marine, and food-grade settings where exposure to chlorides and acids is common. The fully threaded UNC coarse spacing with a Class 2A fit ensures quick, secure fastening in various materials, reducing installation time and preventing thread stripping. Combined with a high tensile strength of 80,000 psi, these Phillips drive screws offer a dependable solution for machinery, structural frames, and equipment requiring superior chemical resistance and long-term durability, minimizing maintenance and replacement costs.

Specification Summary & Compliance

This screw adheres to precise dimensional standards with a Class 2A thread fit and UNC coarse thread specifications, ensuring reliable engagement and interchangeability. Manufactured in compliance with ASME B18.6.3 for consistent quality and performance. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its safety for use in regulated environments without hazardous substances.