S-92311A548 1/4"-20 x 1 3/4" 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, ensuring long-term reliability in harsh industrial environments.
- Exceptional holding strength from Class 3A thread fit, providing tighter tolerances and more secure, vibration-resistant fastening.
- Optimized for high-torque applications with a 1/8" hex drive, allowing for easy installation and removal without stripping.
- Enhanced grip and minimal surface damage due to the cup point tip, which bites securely into the shaft for reliable positioning.
- Robust durability with Rockwell B80 hardness, offering excellent resistance to wear and deformation under load.
- Wide compatibility with UNC coarse threads (1/4"-20), ensuring easy engagement and reliable performance in various assemblies.
- Space-saving headless design for applications where a flush or low-profile finish is required.
Professional Applications & Engineering Value
This 1/4"-20 UNC Class 3A set screw is engineered to address critical challenges in industrial assembly, such as component slippage and loosening under vibration. The 18-8 stainless steel provides excellent corrosion resistance, making it ideal for use in moist or chemically aggressive environments, while the Rockwell B80 hardness ensures it maintains its integrity under mechanical stress. The coarse thread spacing and cup tip work together to deliver maximum grip on shafts and collars, preventing unintended movement in machinery, automotive, and aerospace applications. Its hex headless design allows for discreet installation in tight spaces, supporting efficient and reliable precision fastening solutions.
Specification Summary & Compliance
This set screw adheres to ASME B18.3 specifications, ensuring dimensional accuracy and performance reliability. It features UNC coarse threads with a Class 3A thread fit for precise, secure engagement. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for industrial use.
