S-92311A797 5/8"-11 x 1 1/2" 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
- Maximum holding power with Class 3A thread fit ensuring tight, vibration-resistant connections in demanding applications
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- Enhanced durability with Rockwell B80 hardness providing excellent wear resistance and long service life
- Secure anti-rotation performance through cup point design that bites into mating surfaces for permanent positioning
- Easy installation and removal using standard 5/16" hex drive tools, reducing assembly time and maintenance costs
- Reliable coarse threading (UNC 5/8"-11) for quick engagement and reduced cross-threading risks in high-vibration settings
- Full regulatory compliance meeting ASME B18.3, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
This 5/8"-11 UNC set screw delivers critical engineering solutions where vibration resistance and permanent component positioning are paramount. The 18-8 stainless steel construction combined with Rockwell B80 hardness ensures exceptional corrosion resistance and mechanical strength in demanding environments like heavy machinery, automotive assemblies, and industrial equipment. The hex headless design with cup point provides maximum gripping force without protruding hardware, making it ideal for shaft collars, gears, and pulleys where space constraints exist. Precision-machined to Class 3A thread fit with coarse spacing, it maintains reliable performance under extreme vibration and load conditions while simplifying installation in production lines.
Specification Summary & Compliance
Manufactured to Class 3A thread fit tolerance with UNC 5/8"-11 coarse threading and right-hand direction. Complies with ASME B18.3 manufacturing specifications, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) regulations for chemical safety. Features include 1-1/2" length, 5/16" hex drive, and cup point tip configuration.
