S-91794A096 3-48 x 1/2" ASME B18.6.3 Stainless Steel Fillister Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable fastening under significant mechanical stress
• Class 2A thread fit provides consistent, smooth assembly with standard UNC coarse threads
• Rockwell B55 hardness delivers excellent durability and resistance to wear over repeated use
• Fully threaded design maximizes grip and load distribution across the entire fastener length
• High, narrow rounded fillister head offers a low-profile installation with enhanced clearance
• Compliance with ASME B18.6.3, RoHS, and REACH guarantees quality and environmental safety for global applications

Professional Applications & Engineering Value

This 3-48 UNC slotted screw with a rounded fillister head is precision-engineered from 18-8 stainless steel to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. The passivated finish significantly enhances surface protection against oxidation and chemical exposure, making it suitable for machinery, electronics, and outdoor equipment. Its coarse thread and Class 2A fit ensure quick, secure installation with standard tools, reducing assembly time and improving production efficiency. The high, narrow head profile provides a snug fit in countersunk or confined spaces, minimizing protrusion while maintaining strong clamping force. Ideal for OEM and MRO applications, this screw delivers long-term reliability in demanding environments.

Specification Summary & Compliance

This product adheres to ASME B18.6.3 specifications, with precise UNC coarse threads and Class 2A thread fit for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.