S-92311A568 1/4"-28 x 1 1/2" 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 with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
- Exceptional holding power and vibration resistance due to the fine UNF thread and Class 3A fit, ensuring secure, reliable fastening.
- High mechanical strength and durability from Rockwell B80 hardness, preventing deformation under high stress.
- Easy installation and removal with the 1/8" hex drive in a headless design, allowing flush mounting in tight spaces.
- Enhanced grip and minimal surface damage provided by the cup point tip, improving component security.
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.
Professional Applications & Engineering Value
This 1/4"-28 UNF Class 3A set screw is engineered to address critical challenges in precision assemblies where space is limited and reliability is paramount. The 18-8 Stainless Steel material offers excellent resistance to corrosion and oxidation, making it suitable for applications in machinery, automotive, and electronics exposed to moisture or chemicals. Its headless hex drive design allows for unobtrusive installation, while the fine thread spacing and Class 3A thread fit provide superior clamping force and resistance to loosening under vibration. The cup point tip bites securely into shafts or components, ensuring minimal slippage and maintaining alignment in demanding industrial settings. Ideal for securing gears, pulleys, and collars, this set screw enhances assembly integrity and reduces maintenance needs.
Specification Summary & Compliance
This set screw features a 1/4"-28 UNF fine thread with Class 3A fit for high precision and tight tolerances. It adheres to the ASME B18.3 standard for dimensional consistency and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and meets environmental safety requirements.
