S-90289A709 1/2"-13 x 5/8" 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 vibration resistance with serrated locking design that prevents loosening under dynamic loads
- Exceptional durability from Rockwell C45 hardened alloy steel construction for long service life
- Precise thread engagement with Class 3A fit ensuring reliable fastening in demanding applications
- Enhanced corrosion protection through black-oxide surface treatment for extended performance in harsh environments
- Optimized torque transmission via 1/4" hex drive design allowing secure installation with standard tools
- Effective surface grip from cup tip configuration that minimizes component damage while maintaining secure positioning
- Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations for global industrial use
Professional Applications & Engineering Value
This black-oxide alloy steel set screw delivers critical performance in industrial applications where vibration resistance and positional accuracy are paramount. The UNC coarse thread with Class 3A fit provides excellent engagement in softer materials while maintaining precise alignment in machinery components. The combination of serrations for locking and cup tip design creates a secure fastening solution that prevents rotational slip in pulleys, gears, and collars. Engineered for heavy-duty applications, this hex drive set screw withstands high torque installation without stripping, making it ideal for manufacturing equipment, automotive assemblies, and power transmission systems where reliability cannot be compromised.
Specification Summary & Compliance
This 1/2"-13 UNC set screw features precise Class 3A thread fit with coarse thread spacing for optimal performance. Manufactured to ASME B18.3 specifications with Rockwell C45 hardness rating, ensuring consistent quality and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international standards for industrial components. With right-hand threading and 5/8" length, this fastener delivers reliable performance across various engineering applications while maintaining regulatory adherence.
