S-91613A446 8-32 x 1" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel material and passivated finish, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 100,000 psi tensile strength and Rockwell B100 hardness for reliable performance under high stress.
• Precise and reliable fastening ensured by Class 2A thread fit and UNC coarse threads, providing secure engagement and reduced cross-threading risk.
• Optimized head design with a high, narrow Fillister profile and slotted drive for efficient installation and a clean, finished appearance.
• Full threading along the 1" length allows for maximum adjustability and holding power in various material thicknesses.
• Compliance with major industry standards including ASME B18.6.3, ensuring dimensional accuracy and interchangeability.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

This 8-32 UNC screw is engineered to address critical challenges in industrial assembly, where corrosion resistance and high tensile strength are paramount. The 316 Stainless Steel construction, enhanced by a passivated finish, provides excellent protection against corrosive agents, making it suitable for marine, chemical processing, and food industry applications. The Fillister head with a slotted drive offers a low-profile, rounded design that minimizes protrusion and allows for easy installation with standard tools. Its coarse thread spacing and Class 2A thread fit ensure quick assembly and reliable performance in materials where fine threads might be prone to stripping. Fully threaded for consistent grip, this screw delivers dependable fastening in machinery, electronic enclosures, and precision equipment, reducing maintenance needs and enhancing operational longevity.

Specification Summary & Compliance

This screw adheres to ASME B18.6.3 specifications, ensuring precise dimensions including a 1" length, 8-32 UNC thread size, and Class 2A thread fit for consistent interchangeability. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances. The manufacturing process meets defined standards for right-hand threading, fully threaded design, and material properties, supporting reliable use in professional and industrial settings.