17-7PH Stainless Dome-Ended Lock Washer 1/2 Inch from Mexico
A 1/2 inch precipitation-hardened stainless steel dome-ended lock washer for high-vibration locking applications, particularly in aerospace. The dome shape provides a spring action that maintains tension on the fastener. This non-threaded lock washer is classified under tariff item 7318.21.00 as an 'other' lock washer.
Duty Rate — Mexico → Canada
0%
Import Tips
• Provide certification of the 17-7PH stainless steel grade, as aerospace applications may require additional documentation
• Ensure the product is described as a dome-ended lock washer to support classification under this tariff item
• Verify if the washers meet Canadian aerospace standards