S-92311A385 1/2"-20 x 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 for long-lasting performance in harsh environments
- Maximum holding power ensured by the cup tip design that bites securely into shafts and components
- Precise thread engagement with Class 3A fit for tight tolerances and reduced risk of loosening under vibration
- High-strength durability from Rockwell B80 hardness, maintaining integrity under repeated adjustments
- Easy installation and removal using the 1/4" hex drive, providing reliable torque transfer without stripping
- Fine thread spacing for improved adjustment accuracy and better load distribution in precision assemblies
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability
Professional Applications & Engineering Value
This 18-8 stainless steel set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and corrosion protection are critical. The headless design and cup tip create a permanent, flush-mount fastening solution that prevents rotational slip in pulleys, gears, and collars. The 1/2"-20 UNF fine threads with Class 3A fit provide superior clamping force distribution, making it ideal for precision machinery, automotive components, and manufacturing equipment where minute adjustments matter. Manufactured to ASME B18.3 specifications, this hex drive set screw ensures reliable performance in high-stress environments while meeting stringent RoHS and REACH environmental standards for global compliance.
Specification Summary & Compliance
This precision fastener features 1/2"-20 UNF fine threads with Class 3A thread fit for exceptional dimensional accuracy and tight tolerances. The screw meets ASME B18.3 manufacturing specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. With right-hand thread direction and 2" length, it maintains consistent performance across industrial applications while adhering to recognized quality standards.
