S-91837A262 1/2"-13 Locknuts
Locknuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior vibration resistance through distorted thread top lock design, preventing loosening in high-stress environments
- Enhanced corrosion protection with zinc-plated steel construction, extending service life in harsh conditions
- Precise Class 2B thread fit ensures smooth installation and reliable engagement with mating components
- Heavy-duty Grade 2 strength rating provides dependable performance in demanding industrial applications
- Standard external hex drive allows for easy installation using common wrench tools
- Compliance with REACH and RoHS 3 standards meets international environmental and safety regulations
- Right-hand UNC coarse threading offers quick assembly and disassembly while maintaining secure fastening
Professional Applications & Engineering Value
Engineered for vibration-prone industrial environments, these zinc-plated steel locknuts with distorted thread top lock technology provide critical security in machinery, automotive, and construction applications where constant motion threatens fastener integrity. The 1/2"-13 UNC coarse thread configuration ensures rapid installation while maintaining Class 2B precision fit, reducing assembly time without compromising reliability. The external hex drive accommodates standard tools for straightforward maintenance access. This combination of vibration resistance, corrosion protection, and regulatory compliance makes these locknuts ideal for OEM manufacturing and MRO operations requiring durable, long-lasting fastening solutions that withstand demanding operational conditions.
Specification Summary & Compliance
This heavy-duty locknut features 1/2"-13 UNC coarse threading with Class 2B thread fit tolerance for precision engagement. Manufactured from zinc-plated steel with standard external hex drive (3/4" width, 7/16" height) and right-hand thread direction. The product complies with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, meeting Grade 2 strength classification requirements for reliable performance in industrial applications.
