S-92311A735 1/2"-20 x 1 1/4" 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 industrial environments.
- Exceptional holding power achieved through Class 3A thread fit, ensuring tight, secure, and vibration-resistant fastening.
- Enhanced durability and wear resistance from Rockwell B80 hardness, maintaining thread integrity under repeated use.
- Secure, non-slip engagement with a 1/4" hex drive, allowing for high-torque installation without stripping.
- Precise component positioning via the cup tip design, which minimizes surface damage and provides a firm grip.
- Reliable fine thread spacing (UNF) for improved adjustment accuracy and stronger clamping force in critical assemblies.
- Compact, headless design ideal for applications where space is limited and a flush surface is required.
Professional Applications & Engineering Value
This 1/2"-20 UNF Class 3A set screw is engineered to address common industrial challenges such as component slippage and corrosion-induced failure. Made from 18-8 stainless steel, it offers excellent resistance to rust and chemicals, making it suitable for machinery, automotive, and marine applications. The fine thread spacing and cup tip ensure minimal movement and marring on shafts or collars, providing reliable positioning in high-vibration environments. Its hex drive allows for easy installation with standard tools, enhancing efficiency in assembly lines. Complying with ASME B18.3 standards, this screw delivers consistent performance for precision engineering tasks, reducing downtime and maintenance costs.
Specification Summary & Compliance
This set screw adheres to Class 3A thread fit for precise UNF threads, ensuring tight tolerances and reliable engagement. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity in industrial use.
