S-92311A384 1/2"-20 x 7/8" 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 industrial environments
- Maximum holding power and vibration resistance due to Class 3A thread fit and fine thread spacing
- Easy installation and removal with 1/4" hex drive, providing reliable torque transfer
- Enhanced durability and wear resistance from Rockwell B80 hardness for long-term performance
- Secure component positioning with cup tip design that minimizes surface damage
- Space-saving headless design for applications with limited clearance
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and reliability
Professional Applications & Engineering Value
This 1/2"-20 UNF Class 3A set screw delivers exceptional engineering value in demanding industrial applications where precision fastening is critical. The 18-8 stainless steel construction provides excellent corrosion resistance, making it suitable for machinery, automotive components, and electrical enclosures exposed to moisture or chemicals. The fine thread spacing and Class 3A thread fit create superior clamping force and vibration resistance, preventing loosening in high-stress environments. The headless design with hex drive allows for flush mounting in confined spaces while maintaining easy installation access. The cup tip concentrates pressure effectively without damaging secured components, making it ideal for precision shaft collars, gear positioning, and adjustable mechanisms requiring reliable, repeated adjustments.
Specification Summary & Compliance
This set screw features precision 1/2"-20 UNF fine threads with Class 3A thread fit for tight tolerances and superior engagement. Manufactured to ASME B18.3 specifications for dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Additional specifications include right-hand thread direction, 7/8" length, and Rockwell B80 hardness for mechanical reliability.
