S-91375A597 5/16"-24 x 3/8" 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 cup tip design that bites into surfaces securely, preventing component slippage
- Exceptional thread precision with Class 3A UNF fine threads ensuring tight, vibration-resistant connections
- Enhanced corrosion resistance through black-oxide coating on alloy steel for extended service life
- High-strength performance with Rockwell C45 hardness maintaining integrity under heavy loads
- Space-saving installation thanks to headless design and compact 3/8" length
- Secure torque application via 5/32" hex drive that prevents tool slippage during tightening
- Industry compliance assurance meeting ASME B18.3 specifications for reliable performance
Professional Applications & Engineering Value
This 5/16"-24 UNF Class 3A set screw delivers critical engineering solutions for precision assembly applications where space constraints and vibration resistance are paramount. The black-oxide alloy steel construction combined with Rockwell C45 hardness ensures exceptional durability in demanding environments, while the fine thread spacing and Class 3A thread fit provide superior clamping force for permanent component positioning. The headless hex drive design allows installation in confined spaces, making it ideal for machinery, automotive, and aerospace applications where reliable set screw performance is non-negotiable. The cup tip configuration maximizes surface contact for superior anti-rotation characteristics.
Specification Summary & Compliance
This precision set screw features 5/16"-24 UNF fine threads with Class 3A tolerance for optimal fit, manufactured to ASME B18.3 specifications. The component maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications. With right-hand thread direction and consistent 0.313" thread diameter, this fastener delivers reliable performance meeting international quality standards.
