S-94835A120 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Maximum vibration resistance through steel insert locking technology, preventing loosening in high-stress applications
• Exceptional corrosion protection with zinc yellow-chromate plating, extending service life in harsh industrial environments
• Heavy-duty load capacity with Grade 8 steel construction, ensuring reliable performance under extreme mechanical stress
• Easy installation and removal with extra wide hex profile and external hex drive, providing superior tool engagement
• Precise thread compatibility with UNC coarse 5/8"-11 threads and Class 2B fit, ensuring secure mating with standard bolts
• Environmental compliance with RoHS 3 standards, meeting strict industrial regulatory requirements
• Optimized torque transmission through the 1 1/16" width and 47/64" height design, distributing clamping force evenly

Professional Applications & Engineering Value

This Grade 8 steel locknut with steel insert locking technology addresses critical vibration-induced loosening in heavy machinery, construction equipment, and automotive assemblies. The zinc yellow-chromate plated surface treatment provides superior corrosion resistance, making it ideal for outdoor applications and harsh environments where moisture and chemicals are present. The extra wide hex design enhances wrench accessibility and torque application, while the UNC coarse threads with Class 2B fit ensure reliable engagement in high-vibration industrial settings. Engineered for heavy-duty applications, this locknut maintains clamping force integrity where standard nuts would fail, delivering long-term reliability in critical fastening systems.

Specification Summary & Compliance

Manufactured to precise UNC 5/8"-11 coarse thread specifications with Class 2B thread fit tolerance, ensuring consistent mating performance. The locknut features right-hand thread direction and external hex drive style for standard tool compatibility. Compliant with RoHS 3 (2015/863/EU) environmental standards, meeting industrial regulatory requirements for hazardous substance restrictions. The Grade 8 strength classification confirms superior mechanical properties for demanding applications requiring high tensile strength and reliability.