S-91658A147 1/4"-20 x 1/2" 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 304 Stainless Steel construction for extended service life in demanding environments
- Exceptional holding power through Class 2A thread fit ensuring secure fastening with consistent engagement
- Enhanced installation efficiency with hex drive design providing reliable torque transmission and slip resistance
- Optimized material contact via ball tip design that minimizes surface damage while maintaining strong positioning
- Consistent mechanical performance with Rockwell C30 hardness balancing durability and machinability
- Reliable industrial compliance meeting RoHS 3 and REACH regulations for global manufacturing applications
- Simplified inventory management with standardized UNC coarse thread pattern ensuring interchangeability
Professional Applications & Engineering Value
This 304 Stainless Steel set screw delivers critical engineering solutions for industrial applications where corrosion resistance and precise component positioning are paramount. The headless hex drive design enables flush mounting in confined spaces while the ball tip configuration distributes contact pressure evenly, preventing surface deformation in sensitive assemblies. Engineered with UNC coarse threads and Class 2A thread fit, this fastener ensures rapid installation and reliable performance in machinery, automotive components, and precision equipment. The combination of Rockwell C30 hardness and stainless steel composition provides optimal resistance to vibration loosening and environmental degradation, making it ideal for permanent fastening applications requiring long-term reliability.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerance and UNC thread form specifications. This set screw features a 1/4"-20 thread size with coarse thread spacing and right-hand thread direction. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and global market acceptance for industrial applications.
