S-91375A283 9/16"-12 x 3/4" 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
- Superior holding power with Class 3A thread fit for reliable, vibration-resistant fastening in demanding applications.
- Enhanced corrosion resistance from the black-oxide coating on alloy steel, extending service life in harsh industrial environments.
- High strength and durability backed by Rockwell C45 hardness, resisting wear and deformation under heavy loads.
- Secure and efficient installation using the 1/4" hex drive, allowing for high torque application without head protrusion.
- Effective grip and minimal surface damage due to the cup tip design, ideal for securing rotating components like shafts and collars.
- Wide compatibility with coarse UNC threads (9/16"-12), ensuring easy assembly and interchangeability in standard systems.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.
Professional Applications & Engineering Value
This 9/16"-12 UNC set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Crafted from black-oxide alloy steel, it offers exceptional resistance to rust and wear, making it suitable for machinery, automotive, and manufacturing setups exposed to moisture or chemicals. The headless design and hex drive facilitate flush mounting in confined spaces, while the cup tip ensures a firm bite into shafts and gears, preventing rotational movement. With a coarse thread and Class 3A fit, it provides quick installation and reliable performance in high-vibration environments, reducing maintenance downtime and enhancing operational efficiency.
Specification Summary & Compliance
This set screw adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNC coarse threads (9/16"-12). It meets ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
