S-92695A717 4-40 x 5/8" 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 holding power with 90° cone point design that bites into mating surfaces for maximum resistance to loosening
- Exceptional durability provided by alloy steel construction with Rockwell C45 hardness for long-term performance in demanding applications
- Precise thread engagement with Class 3A thread fit ensuring tight tolerances and reliable fastening in critical assemblies
- Corrosion-resistant protection through black-oxide surface treatment that extends service life in various industrial environments
- Space-saving headless design allowing flush mounting where clearance is limited while maintaining full fastening strength
- Easy installation and removal with hex drive configuration providing positive tool engagement and torque transmission
- Industry-standard compliance meeting ASME B18.3 specifications for guaranteed interchangeability and performance reliability
Professional Applications & Engineering Value
This 4-40 UNC set screw delivers exceptional engineering value in applications requiring precise component positioning and secure fastening. The black-oxide alloy steel construction combined with Rockwell C45 hardness provides optimal strength-to-weight ratio, resisting deformation under high clamping forces. The 90° cone point creates concentrated pressure points that prevent shaft slippage in pulleys, gears, and collars, solving common rotational loosening issues. The headless design with hex drive offers space efficiency while maintaining accessibility for adjustment in confined assemblies. These industrial set screws are particularly valuable in precision machinery, automotive components, and electronic enclosures where vibration resistance and positional accuracy are critical.
Specification Summary & Compliance
This precision fastener features 4-40 UNC coarse threads with Class 3A thread fit for superior dimensional accuracy and engagement. Manufactured to ASME B18.3 specifications with a length of 5/8" and 0.050" hex drive size. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors while maintaining high performance standards.
