S-92311A102 4-40 x 3/32" 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 environments
- Exceptional holding power ensured by Class 3A thread fit for precise, vibration-resistant fastening
- Easy installation and removal with 0.050" hex drive design, providing reliable torque transmission
- Optimized for high-strength applications featuring Rockwell B80 hardness for consistent durability
- Secure component positioning with cup tip design that minimizes surface damage during clamping
- Broad industrial compatibility with UNC coarse threads for quick assembly in various materials
- Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations
Professional Applications & Engineering Value
This 4-40 UNC set screw delivers critical engineering solutions for precision assembly challenges. The 18-8 stainless steel composition provides excellent corrosion resistance, making it ideal for applications exposed to moisture, chemicals, or outdoor elements. The Class 3A thread fit ensures tight tolerances and superior vibration resistance, preventing loosening in dynamic industrial environments. The hex headless design with 0.050" drive allows for flush mounting in confined spaces while maintaining high torque capability. These set screws are particularly valuable in machinery, electronics, and automotive applications where right-hand coarse threads enable rapid installation and the cup tip provides secure component positioning without excessive surface penetration.
Specification Summary & Compliance
This precision fastener features 4-40 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy. Manufacturing complies with ASME B18.3 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications with strict material requirements.
