S-92313A546 1/4"-20 x 1 1/4" ASME B18.3 Set Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional thread engagement provided by UNC coarse threading with Class 3A fit, ensuring secure fastening and vibration resistance
• Easy installation and removal with 1/8" hex drive design, allowing for efficient assembly and maintenance operations
• Reliable holding power from the cup tip design that creates positive seating and prevents component slippage
• Consistent mechanical performance with Rockwell B80 hardness, offering optimal strength while maintaining ductility
• Industry-standard compliance meeting ASME B18.3 specifications for dimensional accuracy and quality assurance
• Environmental regulation adherence with RoHS 3 and REACH compliance, ensuring safe use across global markets

Professional Applications & Engineering Value

This 316 stainless steel set screw delivers critical performance advantages in demanding applications where corrosion resistance and mechanical reliability are paramount. The UNC coarse thread profile with Class 3A fit provides superior engagement in softer materials and faster installation in production environments. The headless design with hex drive enables flush mounting in confined spaces while maintaining high torque capability. Engineers specify this set screw for machinery components, automotive assemblies, and marine equipment where the combination of 316 stainless steel corrosion resistance and Rockwell B80 hardness ensures long-term performance without galling or seizing. The cup tip configuration creates positive mechanical locking against shafts and collars, preventing rotational slippage in high-vibration industrial settings.

Specification Summary & Compliance

This 1/4"-20 UNC set screw features precise Class 3A thread fit tolerances with coarse thread spacing for optimal performance. Manufactured to ASME B18.3 dimensional standards, the fastener ensures interchangeability and reliability in industrial applications. The product maintains full compliance with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, making it suitable for global supply chains and environmentally conscious manufacturing operations.