Internal Star Lock Washer #10 from United States
A stainless steel washer with inward-facing teeth that bite into mating surfaces to secure locking on softer materials, common in electronics and aerospace fastening. This non-threaded spring lock washer prevents rotation.
Duty Rate — United States → Canada
50%
Rate breakdown
26SUR5050%United States Surtax Order (2026) — 50% on US products
Import Tips
• Confirm the washer is made of stainless steel and functions as a lock washer
• Provide technical data showing the tooth configuration and locking mechanism
• Verify if any aerospace-specific import documentation is required