S-92311A401 5/8"-18 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
- Exceptional vibration resistance through Class 3A thread fit and fine thread spacing for secure, permanent fastening
- Maximum torque transmission with 5/16" hex drive design preventing tool slippage during installation
- Enhanced gripping power from cup tip design that creates positive engagement with mating surfaces
- Reliable mechanical strength with Rockwell B80 hardness ensuring consistent performance under heavy loads
- Space-saving headless design allowing for flush mounting in confined applications
- Industry-standard compatibility with right-hand UNF threads for seamless integration into existing assemblies
Professional Applications & Engineering Value
This 18-8 stainless steel set screw delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The Class 3A thread fit with UNF fine threads provides superior holding power in high-stress applications including rotating shafts, pulleys, and gear assemblies. The headless design with cup tip ensures maximum contact pressure while maintaining a low profile. Engineered for industrial machinery, automotive components, and precision equipment, this hex drive set screw offers reliable performance where frequent disassembly isn't required, making it ideal for permanent or semi-permanent fastening applications demanding exceptional mechanical strength and environmental durability.
Specification Summary & Compliance
This precision set screw features 5/8"-18 UNF fine threads with Class 3A thread fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications, ensuring consistent quality and performance. 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 requiring strict regulatory adherence.
