S-91375A363 5/16"-24 x 3" 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 Class 3A thread fit for secure, vibration-resistant fastening in demanding applications.
- Superior durability and corrosion resistance from black-oxide alloy steel, extending service life in harsh industrial environments.
- High strength and wear resistance due to Rockwell C45 hardness, ensuring reliable performance under heavy loads.
- Precise, secure engagement with fine UNF threads, providing excellent grip and minimizing loosening over time.
- Easy installation and removal using a 5/32" hex socket drive, allowing for efficient assembly and maintenance.
- Effective point contact and minimal surface damage with the cup point tip, ideal for positioning and locking components.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and environmental responsibility.
Professional Applications & Engineering Value
This black-oxide alloy steel set screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and component misalignment. Its fine UNF threads and Class 3A thread fit deliver superior clamping force, making it ideal for precision machinery, automotive assemblies, and heavy-duty equipment where reliable fastening is essential. The cup point tip bites securely into shafts and hubs, preventing slippage without causing excessive damage. With Rockwell C45 hardness, it withstands high stress and wear, reducing maintenance needs. Compliant with ASME B18.3 and environmental regulations, it offers a trusted solution for engineers seeking durability and performance in industrial set screw applications.
Specification Summary & Compliance
This set screw features a 5/16"-24 UNF fine thread with Class 3A thread fit for precise dimensional accuracy and tight tolerances. It adheres to ASME B18.3 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets industry standards for safety and environmental responsibility.
