Black Oxide Steel Internal Tooth Lock Washer #8 from United States
A steel washer with internal teeth that bite into nut faces for locking, finished in black oxide, suited for electrical enclosures. The internal teeth provide a strong locking action against vibration. This non-threaded lock washer is classified under tariff item 7318.21.00 as an 'other' lock washer.
Duty Rate — United States → Canada
Rate breakdown
PGA flags (1)Show detailsHide 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
Import Tips
• Mention the internal tooth design on the customs documentation to support classification as a lock washer
• Verify the black oxide finish complies with Canadian environmental regulations
• Ensure the washers are correctly sized and described for electrical enclosure applications