S-92845A126 1/4"-20 x 3/8" 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 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
- Exceptional thread precision with Class 3A fit ensures reliable, vibration-resistant fastening in demanding applications
- Enhanced torque transmission through the 1/8" hex drive design, preventing tool slippage and simplifying installation
- Optimized tip engagement with extended tip design provides superior gripping power on shafts and components
- High mechanical strength with Rockwell B80 hardness maintains structural integrity under heavy loads
- Industry-standard compliance with ASME B18.3 specifications guarantees consistent performance and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance for global manufacturing applications
Professional Applications & Engineering Value
This 1/4"-20 UNC set screw delivers critical engineering solutions for industrial applications where vibration resistance and corrosion protection are paramount. The 316 Stainless Steel construction provides exceptional durability in marine, chemical processing, and food-grade environments, while the Class 3A thread fit ensures precise engagement that withstands continuous mechanical stress. The hex headless design with extended tip creates maximum clamping force for securing pulleys, gears, and collars on rotating shafts, preventing component slippage in high-torque applications. These set screws are engineered to maintain position integrity in machinery, automotive assemblies, and precision equipment where reliability cannot be compromised.
Specification Summary & Compliance
This set screw features 1/4"-20 UNC coarse threads with Class 3A thread fit for precision tolerance. Manufacturing complies with ASME B18.3 specifications, ensuring dimensional accuracy and performance reliability. The extended tip maintains dimensional control with tip diameter of 0.156" (-0.007" to 0 tolerance) and tip length of 0.067" (-0.005" to 0 tolerance). Product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards for restricted substances.
