S-92695A623 4-40 x 5/16" 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 extending service life in demanding industrial environments
- Precise Class 3A thread fit ensures reliable, vibration-resistant fastening with minimal backlash
- 90° cone point design creates deep penetration and maximum holding power against rotational forces
- High-strength alloy steel construction with Rockwell C45 hardness maintains integrity under heavy loads
- Compact headless profile allows installation in confined spaces where standard screws won't fit
- Hex drive compatibility with 0.050" tools enables secure installation and removal without stripping
- Industry compliance assurance meets ASME B18.3 specifications for consistent performance and interchangeability
Professional Applications & Engineering Value
This 4-40 UNC set screw delivers exceptional engineering value in precision assembly applications where space constraints and vibration resistance are critical concerns. The black-oxide alloy steel construction provides superior corrosion protection while maintaining the Rockwell C45 hardness needed for repeated adjustment cycles. The 90° cone point geometry bites deeply into shaft materials, preventing slippage in high-torque applications such as motor collars, gear assemblies, and precision instrumentation. The headless design with hex drive allows installation flush with surfaces, making it ideal for rotating components where protruding fasteners would cause interference. Manufactured to ASME B18.3 standards, these set screws ensure dimensional consistency across industrial maintenance and OEM production environments.
Specification Summary & Compliance
This precision fastener features 4-40 UNC coarse threads with Class 3A thread fit for tight tolerances and reliable engagement. The 5/16" length and 0.050" hex drive provide standardized installation across industrial applications. Manufacturing complies with ASME B18.3 specifications (ASTM F912) and maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.
