S-97135A230 3/8"-16 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 nylon insert locking that prevents loosening under dynamic loads
- Exceptional corrosion protection with zinc yellow-chromate plating for extended service life in harsh environments
- High-temperature performance maintaining locking integrity up to 220°F (104°C)
- Heavy-duty strength meeting Grade 8 specifications for demanding industrial applications
- Reliable thread engagement with Class 2B thread fit ensuring consistent installation and removal
- Easy installation and removal with standard external hex drive design using common tools
- Optimized for coarse threading with UNC 3/8"-16 threads for faster assembly and reduced cross-threading risk
Professional Applications & Engineering Value
This Grade 8 nylon insert lock nut delivers critical vibration resistance in demanding industrial environments where fastener failure is not an option. The nylon insert locking mechanism creates consistent friction against mating threads, effectively preventing spontaneous loosening from machinery vibration, impact loads, and thermal cycling. The zinc yellow-chromate plating provides superior corrosion resistance, extending service life in manufacturing facilities, automotive applications, and outdoor equipment exposed to moisture and chemicals. With its UNC coarse threading and Class 2B thread fit, this heavy-duty locknut ensures reliable performance in construction equipment, agricultural machinery, and industrial assembly lines where vibration resistance and durability are paramount.
Specification Summary & Compliance
This locknut features precise Class 2B thread fit with 3/8"-16 UNC coarse threading and right-hand thread direction. Manufactured to Grade 8 strength specifications with standard hex profile (9/16" width, 29/64" height) and external hex drive style. The zinc yellow-chromate plated steel construction meets industry standards for corrosion protection and mechanical performance in industrial applications.
