S-91500A319 8-32 x 7/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Enhanced durability and longevity from the passivated finish, providing an extra protective oxide layer against wear
• Reliable high-strength performance with 70,000 psi tensile strength and Rockwell B80 hardness for demanding applications
• Secure and precise fastening ensured by Class 2A thread fit and UNC coarse threads for easier alignment and reduced cross-threading
• Efficient installation with Phillips No. 2 drive and standard flat head design for flush mounting and streamlined assembly
• Full thread engagement along the 7/16" length provides maximum grip and load distribution in materials
• Wide industrial compatibility meeting ASME B18.6.3 standards, ensuring consistent quality and interchangeability

Professional Applications & Engineering Value

These 8-32 UNC flat head screws in 316 stainless steel are engineered to solve critical challenges in corrosive and high-stress environments. The passivated finish significantly enhances the innate corrosion resistance of the base material, making these Phillips drive screws ideal for chemical processing equipment, marine hardware, and food-grade machinery where moisture and aggressive agents are present. The coarse UNC threads and Class 2A fit facilitate quicker assembly and reduce the risk of thread stripping in softer materials or pre-tapped holes. Their fully threaded design and high tensile strength ensure a secure, vibration-resistant hold in structural applications, from securing panels to assembling heavy-duty industrial enclosures, providing long-term reliability and reducing maintenance frequency.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances as per the UNC (Unified Coarse Thread) standard. Manufacturing and dimensional specifications strictly conform to ASME B18.6.3. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free from hazardous substances and safe for use in regulated markets.