S-97135A115 2"-4 1/2 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 locking mechanism that maintains secure fastening in high-motion environments
- Exceptional durability provided by Grade 8 steel construction, offering high tensile strength for heavy-duty applications
- Enhanced corrosion protection through zinc yellow-chromate plating, extending service life in harsh industrial conditions
- Reliable high-temperature performance with nylon insert rated up to 220°F, ensuring consistent locking capability in thermal cycling situations
- Precise thread engagement with Class 2B thread fit and UNC coarse threads for quick installation and reduced cross-threading risk
- Standard external hex drive design for compatibility with common tools and straightforward installation in confined spaces
- Versatile size range from 2" to 4 1/2" thread sizes to accommodate various industrial and automotive requirements
Professional Applications & Engineering Value
This Grade 8 nylon insert locknut delivers critical engineering solutions where vibration-induced loosening compromises safety and performance. The zinc yellow-chromate plated steel construction provides superior corrosion resistance in demanding environments like manufacturing facilities, heavy equipment, and automotive assemblies. The nylon insert locking mechanism creates consistent friction against mating threads, maintaining clamp force without damaging threads or requiring additional locking devices. With UNC coarse threads and Class 2B thread fit, these locknuts offer reliable engagement in applications subject to dynamic loading and thermal expansion, making them ideal for machinery, structural connections, and transportation equipment where vibration resistance is paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit and UNC coarse thread specifications. The external hex drive conforms to standard wrenching requirements, while the Grade 8 material meets high-strength classification. Compliant with industry standards for heavy-duty fasteners and suitable for applications requiring reliable performance under vibration and thermal stress up to 220°F.
