S-90670A160 5/16"-24 ASME B18.2.2 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance and lightweight strength from 6061 aluminum construction, ideal for weight-sensitive applications
- Precise Class 2B thread fit ensures smooth assembly and reliable vibration resistance in fine-threaded connections
- ASME B18.2.2 compliance guarantees dimensional accuracy and interchangeability with standard components
- Fine UNF thread design provides enhanced load distribution and superior holding power in high-stress environments
- Standard external hex drive enables easy installation with common tools while resisting stripping
- Full REACH and RoHS 3 compliance meets stringent environmental regulations without compromising performance
- Durable 6061 aluminum material maintains structural integrity in demanding industrial conditions
Professional Applications & Engineering Value
This 5/16"-24 UNF fine thread hex nut delivers exceptional engineering value through its 6061 aluminum construction and Class 2B thread fit. The combination of lightweight aluminum with fine UNF threads solves critical challenges in aerospace, automotive, and precision machinery applications where weight reduction and vibration resistance are paramount. The standard hex profile ensures compatibility with existing tooling while the fine thread spacing provides superior clamping force distribution. Engineered to ASME B18.2.2 specifications, this hex nut maintains dimensional stability under thermal cycling and mechanical stress, making it ideal for assembly lines requiring consistent performance and rapid installation. The right-hand thread direction and external drive style further enhance installation efficiency in high-volume production environments.
Specification Summary & Compliance
This hex nut features precise Class 2B thread fit with 5/16"-24 UNF fine threads in right-hand direction, manufactured to ASME B18.2.2 standards with standard external hex drive. Dimensions include 1/2" width and 17/64" height. The product is fully compliant with REACH (EC 1907/2006) regarding SVHC substances and RoHS 3 (2015/863/EU) with exemption 6(b)-II for lead as an alloying element in aluminum machining applications.
