S-92845A528 1/4"-20 x 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, ideal for harsh industrial environments
- Exceptional holding power achieved through Class 3A thread fit, preventing loosening under vibration
- Extended tip design provides deeper penetration and enhanced grip on mating components
- High durability with Rockwell B80 hardness, maintaining structural integrity under repeated use
- Easy installation and removal with 1/8" hex drive, allowing for efficient maintenance
- Reliable coarse UNC threading ensures quick assembly and strong engagement in various materials
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and performance
Professional Applications & Engineering Value
This 1/4"-20 UNC set screw delivers critical engineering value in applications requiring secure component positioning. The 18-8 stainless steel material provides excellent corrosion resistance, essential for machinery exposed to moisture or chemicals. The extended tip design increases surface contact, preventing slippage in high-torque scenarios like motor shafts, pulleys, and gear assemblies. With its Class 3A thread fit and coarse UNC threading, it offers rapid installation and robust clamping force, reducing assembly time while maintaining precision. The headless hex drive allows for flush mounting in confined spaces, making it ideal for automation equipment, automotive systems, and precision instruments where reliability is paramount.
Specification Summary & Compliance
This set screw features a 1/4"-20 UNC coarse thread with Class 3A thread fit for tight tolerances and optimal performance. Dimensions include a length of 1/4", tip length of 0.067" (-0.005" to 0" tolerance), and tip diameter of 0.156" (-0.007" to 0" tolerance). It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial sectors.
