S-92695A648 1/4"-28 x 3/16" 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 precise, vibration-resistant connections in demanding applications.
- Enhanced corrosion resistance from the black-oxide finish, extending service life in various industrial environments.
- High-strength durability with Rockwell C45 hardness alloy steel, ensuring reliable performance under heavy loads.
- Secure, deep-gripping engagement thanks to the 118° cone point design, preventing component slippage.
- Easy installation and removal with the 1/8" hex drive, allowing efficient assembly in confined spaces.
- Fine thread precision (UNF 1/4"-28) for better adjustment control and improved tensile strength.
- Compliance with major industry standards including ASME B18.3 and ASTM F912, ensuring quality and interoperability.
Professional Applications & Engineering Value
This black-oxide alloy steel set screw is engineered to address common industrial challenges such as component misalignment and vibration-induced loosening. The Class 3A UNF fine thread provides exceptional clamping force and accuracy, ideal for precision machinery, automotive assemblies, and aerospace components where tight tolerances are critical. The 118° cone point penetrates securely into shafts or hubs, minimizing movement in high-torque applications. Its headless design with a 1/8" hex drive facilitates installation in limited-clearance areas, reducing assembly time while maintaining a flush profile. Made from hardened alloy steel, it offers long-term reliability in corrosive environments, supporting industrial set screws requirements for robust, maintenance-free performance.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit per UNF standards, ensuring tight dimensional accuracy and interchangeability. It meets ASME B18.3 and ASTM F912 specifications for material and manufacturing consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and restricted substance-free composition for global supply chain integration.
