S-90630A130 5/8"-11 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking mechanism that maintains secure fastening under dynamic loads
- Exceptional strength and durability with Grade 8 steel construction for heavy-duty industrial applications
- Reliable high-temperature performance with nylon insert rated up to 220°F for demanding environments
- Precise thread engagement with Class 2B thread fit ensuring consistent, reliable installation
- Easy installation and removal with standard external hex drive design for standard tool compatibility
- Environmental compliance assurance meeting both REACH and RoHS 3 standards for industrial safety
- Optimized coarse thread design with 5/8"-11 UNC threads providing quick assembly and superior holding power
Professional Applications & Engineering Value
This Grade 8 steel nylon insert locknut delivers critical vibration resistance in demanding industrial environments where secure fastening is paramount. The nylon insert locking mechanism creates consistent friction against mating threads, preventing loosening from machinery vibration, impact loads, and thermal cycling. Engineered with UNC coarse threads and Class 2B thread fit, this locknut ensures reliable performance in heavy equipment, automotive assemblies, construction machinery, and manufacturing systems. The external hex drive facilitates straightforward installation using standard tools, while the 220°F temperature rating makes it suitable for applications subject to moderate heat exposure. Its robust construction addresses common failure points in vibration-prone applications, providing long-term reliability and reduced maintenance requirements.
Specification Summary & Compliance
This locknut features 5/8"-11 UNC coarse threads with Class 2B thread fit precision, right-hand thread direction, and dimensions of 15/16" width and 3/4" height. Manufactured from high-strength Grade 8 steel with nylon insert locking technology, it complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring suitability for regulated industrial applications requiring compliance with substance restriction directives.
