S-90715A130 1/4"-28 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 with nylon insert technology, ensuring reliable performance in high-stress applications.
- Exceptional corrosion resistance from 316 stainless steel, ideal for harsh or corrosive industrial environments.
- High-temperature durability with nylon insert rated up to 220°F, maintaining locking integrity under thermal stress.
- Precise thread engagement with Class 2B fit, providing smooth assembly and reducing the risk of cross-threading.
- Easy installation and removal using standard external hex drive, compatible with common wrenches for efficient maintenance.
- Fine thread design (UNF) for enhanced clamping force and secure fastening in precision assemblies.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.
Professional Applications & Engineering Value
This 1/4"-28 UNF nylon insert locknut is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion. The 316 stainless steel construction offers excellent resistance to chemicals and moisture, making it suitable for marine, chemical processing, and outdoor equipment. The nylon insert provides consistent locking force, preventing back-off in machinery subjected to dynamic loads, while the fine thread and Class 2B thread fit ensure accurate alignment and reduced wear over time. Ideal for applications in automotive, aerospace, and heavy machinery, this locknut enhances assembly reliability and minimizes maintenance downtime, delivering long-term cost savings and operational safety.
Specification Summary & Compliance
This locknut features a 1/4"-28 UNF fine thread with Class 2B thread fit for precise dimensional accuracy, adhering to standard inch system measurements. It includes a standard hex profile (7/16" width) and right-hand thread direction for compatibility with common tools. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial applications.
