7318.21.00/M6 Black Oxide Helical Spring Lock Washer/United States

M6 Black Oxide Helical Spring Lock Washer from United States

A black oxide coated M6 helical spring lock washer for indoor machinery, reducing friction and corrosion. The helical design locks nuts effectively under vibration. This non-threaded spring washer is classified under tariff item 7318.21.00.

Duty Rate — United States → Canada

50%

Rate breakdown

26SUR5050%United States Surtax Order (2026) — 50% on US products

PGA flags (1)Show detailsHCConsumer Products SafetyMay be required

HC
Consumer Products Safety · May be required
May require HC Consumer Products Safety depending on intended use (HC21) and Canadian product category (HC29, HC30, HC31, HC32, HC33, HC34, HC35, HC36, HC37); or intended use (HC22, HC23, HC24, HC26, HC27) and Canadian product category (HC37). Matching criteria: Equal To 7318210000; Equal To 7318210000. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).

CBSA Single Window matching criteria, unknown

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Mention the black oxide coating on the commercial invoice, as it may affect the product's classification or valuation

• Verify if the coating contains any substances regulated by Canadian environmental laws

• Ensure the washers are correctly described as helical spring lock washers for customs