S-90289A616 3/8"-16 x 5/16" 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
- Superior corrosion resistance with black-oxide coating for extended service life in demanding industrial environments
- Exceptional holding power achieved through Rockwell C45 hardness and Class 3A thread fit precision
- Positive locking capability with serrated design preventing component slippage under vibration
- Easy installation and removal with 3/16" hex drive providing reliable torque transmission
- Maximum surface contact through cup tip design for secure fastening in rotating assemblies
- Industry-standard compatibility with UNC coarse thread spacing for quick assembly operations
- Regulatory compliance assurance meeting ASME B18.3, RoHS 3, and REACH environmental standards
Professional Applications & Engineering Value
This 3/8"-16 UNC set screw delivers critical engineering solutions for industrial applications requiring maximum holding power and vibration resistance. The black-oxide alloy steel construction provides essential corrosion protection while maintaining Rockwell C45 hardness for durability in high-stress environments. The serrated locking type ensures permanent positioning of components in rotating assemblies, preventing costly downtime from slippage. Engineered with Class 3A thread fit precision and coarse thread spacing, this headless fastener offers reliable performance in machinery, automotive, and manufacturing equipment where hex drive accessibility and cup tip surface contact are essential for maintenance and assembly efficiency.
Specification Summary & Compliance
This industrial set screw maintains Class 3A thread fit tolerance for precision assembly, manufactured to UNC thread standards with 3/8"-16 coarse thread spacing. The product fully complies with ASME B18.3 manufacturing specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. Right-hand thread direction and headless design provide standardized installation across compatible applications.
