S-92311A267 3-56 x 3/16" 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
- Precise torque transmission with 0.050" hex drive for secure fastening in confined spaces
- Superior corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh environments
- Exceptional thread engagement with Class 3A fit ensuring vibration-resistant connections
- Optimized holding power through cup tip design that creates positive seating on shafts and components
- Consistent mechanical performance with Rockwell B80 hardness balancing strength and ductility
- Space-saving installation via headless design ideal for flush-mount applications
- Regulatory compliance assurance meeting both RoHS 3 and REACH environmental standards
Professional Applications & Engineering Value
This 3-56 UNF set screw delivers critical engineering solutions for precision assemblies requiring reliable shaft positioning and component retention. The 18-8 stainless steel material provides excellent corrosion resistance for industrial environments exposed to moisture, chemicals, or temperature variations. The fine thread spacing and Class 3A thread fit create superior clamping force distribution, preventing loosening under vibration in machinery, automotive, and aerospace applications. The headless design with 0.050" hex drive enables installation in tight spaces where conventional fasteners cannot operate, while the cup tip ensures positive contact with driven components. Manufactured to ASME B18.3 specifications, this set screw maintains dimensional consistency for interchangeable use across production runs.
Specification Summary & Compliance
This inch-system set screw features 3-56 UNF threads with Class 3A precision tolerance, right-hand thread direction, and fine thread spacing. The fastener measures 3/16" in length with 0.099" thread diameter and demonstrates Rockwell B80 hardness. Manufacturing complies with ASME B18.3 standards, ensuring dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming the absence of restricted substances for industrial applications.
