S-92311A542 1/4"-20 x 1" 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 achieved through Class 3A thread fit ensuring tight, secure fastening in precision assemblies
- Enhanced torque transmission with 1/8" hex drive design preventing tool slippage during installation
- Deep penetration and minimal surface damage thanks to the cup point tip design for reliable component positioning
- Consistent mechanical strength maintained through Rockwell B80 hardness for dependable performance under load
- Broad industrial compatibility with UNC coarse threading providing excellent engagement in various materials
- Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards
Professional Applications & Engineering Value
This 1/4"-20 UNC hex headless set screw delivers exceptional engineering value in applications requiring precise component positioning and secure fastening. The 18-8 stainless steel construction provides excellent corrosion resistance for demanding environments, while the Class 3A thread fit ensures superior engagement and vibration resistance in machinery, automotive, and manufacturing equipment. The cup point design creates deep indentations in shaft materials, preventing rotational slippage in pulley systems, gears, and collars. With its headless configuration and right-hand UNC coarse threads, this set screw offers flush mounting capabilities and rapid installation in high-volume production environments where reliability and repeatability are critical.
Specification Summary & Compliance
This precision fastener features 1/4"-20 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufactured to ASME B18.3 specifications with Rockwell B80 hardness ensuring consistent mechanical properties. 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.
