7318.21.00/Torsional Lock Washer 3/8 Inch/United States

Torsional Lock Washer 3/8 Inch from United States

A steel washer with twisted tabs providing torsional resistance beyond axial spring force, used in vibration-intensive rail and mining equipment. This advanced non-threaded lock washer ensures secure fastening under extreme conditions.

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

• Document the torsional locking mechanism and steel composition

• Provide technical specifications showing the washer's performance under vibration

• Verify if the product meets Canadian rail or mining safety standards