7318.21.00/1/4 Inch Zinc Plated Spring Lock Washer/United States

1/4 Inch Zinc Plated Spring Lock Washer from United States

A carbon steel split ring washer with zinc plating for corrosion resistance, providing axial flex to prevent fastener loosening under vibration. This non-threaded spring lock washer is designed for general bolting applications.

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

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Import Tips

• Ensure the washer is classified as a spring lock washer of iron or steel; keep commercial invoices with detailed product descriptions and country of origin

• Verify if anti-dumping duties apply to certain carbon steel fasteners from specific countries