S-91375A287 9/16"-12 x 1" ASME B18.3, ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide coating, ideal for harsh industrial environments.
• Superior holding power due to Class 3A thread fit, ensuring precise and secure fastening in demanding applications.
• High tensile strength and durability from alloy steel with Rockwell C45 hardness, reducing wear and failure risks.
• Easy installation and removal with a 1/4" hex drive, providing reliable torque transmission without slippage.
• Effective grip on shafts and components thanks to the cup tip design, preventing loosening under vibration.
• Wide compatibility with 9/16"-12 UNC coarse threads, facilitating quick assembly in various machinery.
• Compliance with industry standards including ASME B18.3, ensuring consistent quality and performance.

Professional Applications & Engineering Value

This black-oxide alloy steel set screw is engineered to address common industrial challenges such as component slippage and corrosion in heavy-duty machinery. Featuring UNC coarse threads and a Class 3A fit, it provides exceptional clamping force and vibration resistance, making it ideal for securing pulleys, gears, and collars in automotive, aerospace, and manufacturing equipment. The headless design with a hex drive allows for flush mounting in confined spaces, while the cup tip ensures minimal surface damage. With a Rockwell C45 hardness, it withstands high-stress applications, reducing maintenance needs and enhancing operational reliability in industrial set screws usage.

Specification Summary & Compliance

This set screw adheres to precise Class 3A thread fit tolerances and UNC coarse thread standards (9/16"-12), ensuring dimensional accuracy per ASME B18.3 specifications. It is manufactured from alloy steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity for global industrial applications.