M12 316 Marine Grade Carriage Bolt and Nut Set
M12 carriage bolt in 316 stainless steel for marine environments, paired with hex nut, 12 mm shank diameter. HTS 7318.15.20.91 applies for stainless bolts over 6 mm with nuts in same shipment.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not stainless steel (e.g., carbon steel)
Non-stainless hex head bolts over 12mm head classify in 7318.11.
If U-bolt shape
U-shaped threaded articles fall outside standard bolt definition.
If imported as individual cotter pins accompanying
Separate non-threaded pins/washers classify differently.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Specify 316 grade in invoices; lower grades like 304 may still qualify but document for audits
• Avoid mixing with carbon steel parts in shipment to maintain pure stainless classification
• Confirm 'bolt' vs 'lag screw'; wood-specific threading changes to coach screws
Related Products under HTS 7318.15.20.91
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