S-91375A692 7/16"-20 x 2 1/2" ASME B18.3, ASTM F912 Set Screws
Set Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional holding power with a cup tip design that bites securely into shafts and components, preventing slippage in high-torque applications.
- Superior corrosion resistance from the black-oxide finish on alloy steel, extending service life in demanding industrial environments.
- Precise thread engagement with a Class 3A UNF fine thread fit, ensuring reliable, vibration-resistant fastening in critical assemblies.
- High-strength durability backed by Rockwell C45 hardness, providing excellent resistance to wear and deformation under load.
- Easy installation and removal using a standard 7/32" hex drive, allowing for efficient maintenance and adjustments in confined spaces.
- Compliance with major industry standards including ASME B18.3 and ASTM F912, guaranteeing consistent quality and performance.
- Environmental and safety compliance with RoHS 3 and REACH regulations, making it suitable for use in regulated markets.
Professional Applications & Engineering Value
This 7/16"-20 UNF Class 3A black-oxide alloy steel set screw is engineered to address common industrial challenges such as component loosening due to vibration and corrosion-induced failure. The headless hex drive design allows for flush mounting in tight spaces, while the cup tip provides concentrated pressure to securely lock collars, gears, and pulleys onto shafts without damaging surfaces. Made from high-strength alloy steel with a Rockwell C45 hardness, it withstands heavy loads and repetitive stress in machinery, automotive, and aerospace applications. The fine thread spacing and Class 3A thread fit ensure minimal backlash and reliable performance in precision assemblies, reducing maintenance downtime and enhancing operational safety.
Specification Summary & Compliance
This set screw features a 7/16"-20 UNF fine thread with Class 3A tolerance for precise fit, manufactured in accordance with ASME B18.3 and ASTM F912 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.
