S-92311A106 4-40 x 1/4" 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 industrial environments
- Maximum holding power achieved through cup point design that bites securely into mating surfaces
- Precise thread engagement with Class 3A fit ensuring tight tolerances and reliable fastening
- Easy installation and removal using the 0.050" hex drive that provides excellent torque transmission
- Enhanced durability with Rockwell B80 hardness maintaining structural integrity under stress
- Industry-standard compatibility with UNC coarse threads for quick assembly in various applications
- Space-saving design as a headless set screw ideal for confined spaces and flush mounting requirements
Professional Applications & Engineering Value
This 4-40 UNC set screw delivers exceptional engineering value for precision assembly applications where space constraints and reliable positioning are critical. The 18-8 stainless steel construction provides excellent corrosion resistance, making it ideal for machinery, electronics, and automotive components exposed to moisture or chemicals. The hex headless design with cup point tip ensures maximum grip on shafts and collars without protruding, solving common alignment and space limitation challenges. With its Class 3A thread fit and coarse thread spacing, this set screw maintains secure fastening in high-vibration environments while the 0.050" hex drive allows for efficient installation in tight spaces. Engineered for industrial reliability, this component addresses the need for durable, precision fasteners in manufacturing, automation, and equipment maintenance applications.
Specification Summary & Compliance
This precision set screw features 4-40 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and tight tolerances. Manufactured to ASME B18.3 specifications, the component ensures consistent performance and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications with strict chemical substance restrictions.
