S-94105A384 3/8"-24 x 7/8" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from the black-oxide finish, extending service life in harsh industrial environments.
• Precise and secure fastening with Class 3A thread fit, minimizing the risk of loosening under vibration.
• High-strength durability due to alloy steel construction and Rockwell C45 hardness, ensuring reliable performance under heavy loads.
• Easy installation and removal with the internal hex drive, allowing for efficient assembly and maintenance.
• Space-saving headless design ideal for applications where a flush or unobtrusive fastener is required.
• Fine thread spacing provides a greater number of threads per inch for improved adjustment and holding power.
• Compliance with major industry standards guarantees consistent quality and material safety for your projects.

Professional Applications & Engineering Value

This 3/8"-24 UNF Class 3A set screw is engineered to address critical fastening challenges in demanding sectors such as machinery, automotive, and precision equipment assembly. The black-oxide alloy steel construction provides excellent resistance to corrosion and wear, while the Rockwell C45 hardness ensures the screw maintains its integrity under high stress and repetitive loads. The headless design with a hex drive allows for a flush fit in tight spaces, preventing interference with moving parts and facilitating a clean aesthetic. Its fine thread spacing and Class 3A thread fit deliver superior clamping force and vibration resistance, making it an ideal choice for securing collars, gears, and pulleys where precision and reliability are paramount.

Specification Summary & Compliance

This set screw features a 3/8"-24 UNF fine thread with a Class 3A fit for high precision. It is manufactured from alloy steel with a black-oxide surface treatment and meets ASME B18.3 and ASTM F912 specifications. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in various industrial applications.