5/16 Inch Alloy Steel Helical Spring Lock Washer from Mexico
A heavy-duty 5/16 inch alloy steel helical spring lock washer designed for high-vibration environments such as truck suspensions and engines. It provides superior locking through elastic deformation of the split ring. This non-threaded spring washer is classified under tariff item 7318.21.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Specify the alloy steel grade on the commercial invoice to support classification under this tariff item
• Consider whether the washers are part of a larger automotive kit, which may affect classification
• Ensure compliance with any Canadian safety standards for automotive components