S-91375A270 12-24 x 1/4" 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
- Exceptional holding power with Class 3A thread fit for secure, vibration-resistant fastening in demanding applications.
- Superior corrosion resistance thanks to the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
- High durability and strength from Rockwell C45 hardness, resisting wear and deformation under heavy loads.
- Easy installation and removal with a 3/32" hex drive and headless design, ideal for confined spaces requiring flush mounting.
- Reliable grip and minimal surface damage provided by the cup tip, ensuring firm contact without excessive marring.
- Broad compatibility with UNC coarse threads and right-hand direction, fitting standard components for versatile use.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This 12-24 UNC set screw is engineered to address common industrial challenges such as component slippage and corrosion in machinery. Made from black-oxide alloy steel, it offers enhanced protection against rust and wear, making it suitable for automotive, aerospace, and manufacturing equipment where reliability is critical. The Class 3A thread fit and coarse UNC thread provide a tight, precise connection that resists loosening from vibrations, while the headless hex drive design allows for seamless integration in tight spaces. Its cup tip ensures a firm hold on shafts or collars without causing damage, reducing maintenance needs and improving operational efficiency in industrial set screws applications.
Specification Summary & Compliance
This set screw features a 12-24 UNC thread with Class 3A precision fit and coarse thread spacing for optimal engagement. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to global standards.
