S-90636A066 9/16"-12 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through center lock distorted thread design that maintains secure fastening under extreme conditions
- Exceptional corrosion protection with zinc yellow-chromate plating that extends service life in harsh industrial environments
- Heavy-duty performance backed by Grade 8 steel construction, ensuring reliable performance in high-stress applications
- Easy installation and removal with standard external hex drive design compatible with common tools
- Precise thread engagement with UNC coarse threads and Class 2B fit for consistent, reliable connections
- Right-hand thread direction for standard installation procedures and compatibility with conventional fastening systems
- Optimal size compatibility with 9/16"-12 thread size and 7/8" width for versatile application across industrial equipment
Professional Applications & Engineering Value
This Grade 8 steel locknut with center lock distorted thread technology addresses critical vibration-induced loosening challenges in heavy machinery, automotive, and construction applications. The zinc yellow-chromate plating provides superior corrosion resistance, making it ideal for outdoor equipment and harsh environmental conditions. Engineered with UNC coarse threads and Class 2B fit, this external hex locknut ensures precise thread engagement while the distorted thread profile creates permanent locking action without requiring additional locking components. The right-hand thread direction and standard 7/8" width make installation straightforward with common tools, reducing assembly time while providing reliable, vibration-resistant fastening solutions for critical joints in industrial equipment.
Specification Summary & Compliance
This heavy-duty locknut features 9/16"-12 UNC coarse threads with Class 2B thread fit for precision engagement. Manufactured from Grade 8 steel with zinc yellow-chromate plating for corrosion protection. The nut measures 7/8" in width and 31/64" in height with standard external hex drive. Complies with relevant industrial standards for distorted thread locknuts and meets material specifications for high-strength fasteners in demanding applications.
