prevailing Torque Lock Nut 1/4-20 from United States
A prevailing torque lock nut with 1/4-20 threading, made of steel, featuring a deformed thread design for vibration-prone environments. As a threaded nut of iron or steel, it falls under tariff item 7318.16.00.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• The deformed thread design does not affect classification; it remains a nut
• Provide torque retention test data if requested by CBSA
• Ensure the nuts are not for aerospace use, which may require additional certifications