S-92505A070 4-40 x 3/16" ASME B18.3, ASTM F912 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 black oxide coating for extended service life in demanding industrial environments
- Exceptional holding power through extended tip design that creates deeper engagement and prevents component slippage
- Precision Class 3A thread fit ensures tight tolerances and reliable performance in critical applications
- High-strength alloy steel construction with Rockwell C45 hardness provides excellent durability and wear resistance
- Convenient hex drive installation allows for secure tool engagement and consistent torque application
- Headless design enables flush mounting in space-constrained assemblies without protruding components
- Comprehensive regulatory compliance meets ASME B18.3, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
This 4-40 UNC Class 3A set screw delivers exceptional engineering value in precision assembly applications where space optimization and reliable component fixation are critical. The black oxide alloy steel construction combined with Rockwell C45 hardness provides superior resistance to vibration loosening and mechanical stress, making it ideal for machinery, automotive, and electronic enclosures. The extended tip design ensures deeper material penetration for enhanced holding power, while the coarse thread spacing facilitates quicker installation in production environments. The headless configuration with hex drive allows for flush mounting in tight spaces without compromising accessibility for maintenance or adjustments.
Specification Summary & Compliance
This precision set screw features 4-40 UNC coarse thread spacing with Class 3A thread fit for superior dimensional accuracy. Manufactured to ASME B18.3 specifications with Rockwell C45 hardness rating. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. Thread direction is right hand with extended tip dimensions maintained within precise tolerance ranges for consistent performance.
