Black Oxide Steel Internal Tooth Lock Washer #8 from China
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 — China → Canada
0%
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