S-92311A311 0-80 x 5/16" 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 through the cup point design that bites into shafts for secure, permanent fastening
- Precise thread engagement with Class 3A fit ensuring tight tolerances and reliable assembly in critical applications
- Exceptional durability from Rockwell B80 hardness providing excellent resistance to wear and deformation
- Space-saving installation with headless hex design allowing flush mounting where clearance is limited
- Industry-standard compliance meeting ASME B18.3 specifications for guaranteed interchangeability and quality
- Environmental responsibility with full RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
These 0-80 UNF set screws deliver exceptional engineering value in precision assemblies where space constraints and vibration resistance are critical. The 18-8 stainless steel composition provides excellent corrosion resistance for demanding environments, while the cup point design creates permanent locking by embedding into shaft materials. The fine UNF threads with Class 3A fit ensure precise engagement in tight-tolerance applications, preventing loosening under dynamic loads. The hex headless configuration enables flush installation in confined spaces, making these set screws ideal for precision machinery, aerospace components, medical devices, and electronic enclosures where reliability and compact design are paramount.
Specification Summary & Compliance
This 0-80 UNF set screw features precise Class 3A thread fit with right-hand fine threads, 5/16" length, and 0.028" hex drive. Manufactured to ASME B18.3 specifications for dimensional accuracy and performance reliability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications.
