S-92311A378 7/16"-20 x 1 1/4" ASME B18.3 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
- Superior corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
- Exceptional thread engagement and vibration resistance provided by the Class 3A UNF fine thread, minimizing loosening in dynamic applications.
- High-strength performance with a Rockwell B80 hardness, offering excellent durability under heavy loads.
- Secure, flush mounting enabled by the hex headless and cup tip design, preventing protrusion and providing positive seating.
- Precise torque application via the 7/32" hex drive, allowing for accurate installation in confined spaces.
- Broad regulatory compliance including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental standards are met.
- Reliable right-hand thread direction for standard installation and secure fastening in industrial assemblies.
Professional Applications & Engineering Value
This 7/16"-20 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 stainless steel, it provides excellent resistance to rust and chemicals, making it ideal for applications in machinery, automotive, and marine environments where exposure to moisture is a concern. The fine thread spacing and Class 3A thread fit ensure tight tolerances and superior holding power, reducing the need for frequent maintenance. Its hex headless design with a cup tip allows for flush installation, preventing interference in precision assemblies. This set screw is a reliable choice for engineers seeking heavy-duty fasteners that deliver consistent performance in demanding conditions.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit for precise dimensional accuracy, meeting ASME B18.3 standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance management. Thread specifications include a 7/16"-20 UNF fine thread with right-hand direction, supporting reliable fastening in industrial applications.
