S-90083A235 5/8"-18 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 thread design provides secure fastening in applications where standard right-hand threads may loosen due to rotational forces
- Grade 2 steel construction offers reliable strength and durability for industrial applications while maintaining cost-effectiveness
- Thin profile design saves space and weight in compact assemblies without compromising performance
- UNF fine thread spacing ensures superior vibration resistance and precise adjustment capabilities
- Class 2B thread fit delivers consistent engagement and smooth installation with standard bolts
- External hex drive style allows for easy installation and removal with common wrench tools
- RoHS 3 and REACH compliance guarantees environmental safety and regulatory acceptance in global markets
Professional Applications & Engineering Value
This 5/8"-18 UNF left hand thread hex nut delivers critical engineering solutions where reverse-thread applications prevent mechanical loosening. The Grade 2 steel construction provides optimal strength-to-weight ratio for demanding industrial environments, while the thin profile design addresses space constraints in machinery, automotive, and equipment manufacturing. The UNF fine thread configuration offers enhanced vibration resistance in high-stress applications, and the Class 2B thread fit ensures reliable performance with standard mating components. These left hand threaded fasteners are particularly valuable in rotating equipment, conveyor systems, and specialized machinery where counter-rotational forces are present.
Specification Summary & Compliance
This hex nut features precision 5/8"-18 UNF left hand threads with Class 2B thread fit tolerance, ensuring consistent performance with standard bolts. Manufactured to inch system standards with dimensions of 15/16" width and 3/8" height, this thin profile external hex nut complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring certified compliance.
