S-90519A240 5/8"-11 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
- Left-hand threading provides secure fastening in applications where standard right-hand threads would loosen from counter-rotational forces
- Grade 2 steel construction offers excellent strength and durability for general industrial applications
- UNC coarse thread profile enables faster assembly and reduced cross-threading risk compared to fine threads
- Class 2B thread fit ensures consistent, reliable engagement with mating components while allowing for minor debris or coating
- Standard hex profile with external drive delivers compatibility with common wrenching tools for easy installation and removal
- RoHS 3 and REACH compliance guarantees environmental safety and regulatory adherence for global industrial use
- 5/8"-11 thread size with 15/16" width provides optimal balance between grip surface and space efficiency
Professional Applications & Engineering Value
This left hand hex nut addresses critical engineering challenges in rotating machinery and specialized equipment where reverse-direction forces are present. The Grade 2 steel composition delivers reliable tensile strength while the coarse UNC threading maintains integrity under vibration and dynamic loads. Particularly valuable for conveyor systems, mixing equipment, and automotive applications, this 5/8"-11 UNC fastener prevents unintended loosening in counter-clockwise rotating assemblies. The external hex drive design ensures compatibility with standard industrial tools, streamlining maintenance procedures while the Class 2B thread fit accommodates minor surface variations without compromising connection security.
Specification Summary & Compliance
This hex nut features 5/8"-11 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring dimensional accuracy and interchangeability. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Physical dimensions include 15/16" width across flats and 35/64" height, manufactured from Grade 2 steel for consistent mechanical properties in industrial fastening applications.
