S-95615A250 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 the nylon insert design, ensuring reliable fastening in high-motion environments
- High-temperature durability with the nylon insert rated for up to 220°F, maintaining locking performance under thermal stress
- Exceptional strength and load capacity from Grade 5 steel construction, suitable for heavy-duty industrial applications
- Precise and easy installation with UNC coarse 5/8"-11 threads and Class 2B fit, reducing assembly time and cross-threading risks
- Enhanced corrosion protection via zinc plating, extending service life in harsh or outdoor conditions
- Secure external hex drive allowing standard wrench access for straightforward tightening and removal
- Compliance with environmental standards including REACH and RoHS 3, ensuring safe use in regulated industries
Professional Applications & Engineering Value
This Grade 5 nylon insert locknut is engineered to address common industrial challenges such as vibration-induced loosening and thermal cycling. The zinc-plated steel construction provides robust resistance to corrosion, while the nylon insert deforms elastically to maintain constant tension on the mating bolt, preventing back-off in machinery, automotive assemblies, and structural frameworks. With UNC coarse threads and a Class 2B thread fit, it ensures quick alignment and secure engagement, reducing installation errors. Ideal for heavy-duty fastening in manufacturing, construction, and transportation sectors, this locknut delivers long-term reliability where safety and performance are critical.
Specification Summary & Compliance
This locknut features a 5/8"-11 UNC coarse thread with Class 2B thread fit for consistent dimensional accuracy. It adheres to industry standards for external hex drive nuts and is manufactured from zinc-plated steel with a standard hex profile (15/16" width, 3/4" height). The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and suitability for global industrial supply chains.
