S-94495A263 5/16"-18 x 3/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Enhanced Vibration Resistance: Nylon patch thread locker ensures secure, long-term fastening in high-vibration environments, reducing maintenance needs.
• Superior Holding Power: Class 3A thread fit provides tighter tolerances for reliable, precise engagement in demanding applications.
• High Durability and Corrosion Resistance: Black-oxide finish on alloy steel offers excellent protection against wear and environmental factors, extending service life.
• Wide Temperature Compatibility: Withstands temperatures from -70° to 250°F, making it ideal for varied industrial conditions without performance loss.
• Easy Installation and Removal: Hex drive (5/32") allows for straightforward tool access, speeding up assembly and disassembly processes.
• Robust Material Strength: Rockwell C45 hardness ensures high mechanical strength, resisting deformation under heavy loads.
• Compliance with Industry Standards: Meets ASME B18.3 specifications, ensuring reliability and interchangeability in professional settings.

Professional Applications & Engineering Value

This 5/16"-18 UNC set screw is engineered to address common industrial challenges such as component slippage and loosening under dynamic loads. Made from black-oxide alloy steel, it combines high tensile strength with corrosion resistance, ideal for machinery, automotive, and aerospace assemblies. The coarse thread spacing and Class 3A thread fit enable quick, secure fastening in materials where fine adjustments are critical, while the nylon patch locking feature prevents back-off in vibrating systems. Its headless design and hex drive facilitate flush mounting in confined spaces, enhancing safety and efficiency. By integrating these elements, this screw delivers reliable performance in industrial set screw applications, reducing downtime and maintenance costs.

Specification Summary & Compliance

This set screw features a 5/16"-18 UNC thread with Class 3A thread fit for precise dimensional accuracy, ensuring consistent performance in coarse thread applications. It complies with ASME B18.3 manufacturing standards and is certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for global industrial use.