S-91500A315 6-32 x 7/8" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and passivated finish, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B80 hardness for reliable performance under high-stress conditions.
• Effortless installation and flush seating with the standard 82° countersink angle and Phillips No. 2 drive, ensuring a smooth, secure fit.
• Reliable coarse threading (UNC) with Class 2A fit for quick assembly and strong holding power in a wide range of materials.
• Full-threaded design maximizes grip length and pull-out resistance across the entire 7/8" length.
• Compliance with major industry standards including ASME B18.6.3, ensuring dimensional consistency and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

These 6-32 UNC flat head screws are engineered to address critical challenges in industrial assembly, where corrosion resistance and high tensile strength are paramount. The 316 stainless steel material, enhanced by a passivated finish, provides excellent protection against corrosive agents, making these flat head screws ideal for marine, chemical processing, and outdoor applications. The coarse UNC thread and Class 2A thread fit ensure quick, secure fastening in metals, plastics, and wood, reducing installation time and preventing cross-threading. The fully threaded design and 82° countersink allow for a flush, low-profile finish, essential in assemblies where protruding hardware is not an option. These screws deliver dependable performance in machinery, electronic enclosures, and structural frameworks, combining durability with regulatory compliance.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances per the Unified National Coarse (UNC) thread standard, ensuring precise and consistent threading. Manufacturing and dimensional specifications conform to ASME B18.6.3. The screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted hazardous substances and supporting sustainable procurement practices.