S-92785A558 3/8"-16 x 3/8" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• Maximum holding power and vibration resistance due to the Class 3A thread fit, ensuring secure fastening in demanding applications
• Enhanced durability and wear resistance provided by Rockwell B80 hardness, extending the screw's service life
• Easy installation and high torque capability with the 3/16" hex drive, allowing for efficient assembly with standard tools
• Precise positioning and excellent grip from the cone point with 118° angle, preventing component slippage
• Reliable performance in high-stress applications thanks to the coarse UNC thread and right-hand direction for robust engagement
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence

Professional Applications & Engineering Value

This 3/8"-16 UNC hex headless set screw is engineered to address critical challenges in industrial assembly, such as component misalignment and loosening under vibration. The 18-8 stainless steel material offers excellent corrosion resistance, making it suitable for applications in moist or chemically aggressive environments, including machinery, automotive systems, and outdoor equipment. The Class 3A thread fit and coarse thread spacing provide a tight, secure connection that minimizes the risk of back-off, while the cone point with a 118° angle ensures precise contact and embedding into mating parts. This design is ideal for securing collars, gears, and pulleys on shafts, where reliability and repeatability are paramount. By integrating a hex drive for easy installation, this set screw reduces assembly time and enhances productivity in high-performance settings.

Specification Summary & Compliance

This set screw features a 3/8"-16 UNC coarse thread with Class 3A fit for high precision and strength. It meets ASME B18.3 specifications, ensuring dimensional accuracy and performance consistency. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial applications without hazardous substances.