HS 7318-21-00-00 – Spring washers and other lock washers

Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026

US-origin goods: 50% surtax (United States Surtax Order (Steel and Aluminum 2025), as amended, SOR/2025-95 as amended by SOR/2026-187, in force Sep 8, 2026)

Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel. › Spring washers and other lock washers › Spring washers and other lock washers

MFN duty rate

Free

GST

5%

Unit of measure

KGM

Spring washers and other lock washers

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Preferential tariff rates

• Iceland: Free
• LDCT: Free
• GPT: Free
• New Zealand: Free
• Honduras (HNT): Free
• Panama (PAT): Free
• Korea: Free
• Peru: Free
• MXT/CUSMA (Mexico): Free
• Chile: Free
• Australia: Free
• Switzerland–Liechtenstein (SLT): Free
• CETA: Free
• Israel (CIAT): Free
• UK: Free
• Colombia: Free
• CPTPP: Free
• UST/CUSMA (US): Free
• Costa Rica (CRT): Free
• CPTPP – United Kingdom (CPUKT): Free
• Norway (NT): Free
• Commonwealth Caribbean Countries Tariff (CCCT): Free
• Ukraine: Free
• Jordan (JT): Free

Preference requires qualifying origin and origin proof or certification.

Frequently asked questions

What is the MFN duty on Spring washers and other lock washers (HS 7318-21-00-00)?

The T2026-2 MFN rate for tariff item 7318.21.00 is Free. Specific or compound rates require manual calculation. Classification and origin must be verified with CBSA.

What is the duty on HS 7318-21-00-00 from the US?

Qualifying US-origin goods with origin proof use UST/CUSMA at Free. US-origin goods: 50% surtax (United States Surtax Order (Steel and Aluminum 2025), as amended, SOR/2025-95 as amended by SOR/2026-187, in force Sep 8, 2026) GST/HST and any applicable personal-import provincial tax are additional.

Which trade agreement rates apply to HS 7318-21-00-00?

Iceland: Free; LDCT: Free; GPT: Free; New Zealand: Free; Honduras (HNT): Free; Panama (PAT): Free; Korea: Free; Peru: Free; MXT/CUSMA (Mexico): Free; Chile: Free; Australia: Free; Switzerland–Liechtenstein (SLT): Free; CETA: Free; Israel (CIAT): Free; UK: Free; Colombia: Free; CPTPP: Free; UST/CUSMA (US): Free; Costa Rica (CRT): Free; CPTPP – United Kingdom (CPUKT): Free; Norway (NT): Free; Commonwealth Caribbean Countries Tariff (CCCT): Free; Ukraine: Free; Jordan (JT): Free. Preferential treatment requires qualifying origin and certification. Rates are informational; CBSA is authoritative.