Heavy Duty Locking Trailer Lug Nuts
Grade 8 steel locking lug nuts for boat/utility trailers, 9/16-18 thread with zinc plating. Locking via serrated face and nylock. HTS 7318.16.0030 applies to locking types.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-locking heavy truck/trailer variants
Truck/trailer lug nuts have dedicated statistical number.
If as OEM truck wheel gear
Integral truck gear parts under vehicle chapter.
If with cotter pin locking
Cotter or split pin secured nuts use non-threaded articles.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Trailer-specific strength ratings (SAE J429) must be documented for classification
• Rust-proof coating declarations prevent chemical treatment subheadings
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