Caliper Ratchet Stop Mechanism
Replaceable ratchet and stop assemblies for consistent pressure on vernier/digital calipers under 9017.10.80. Ensures repeatable measurements in precision applications. Dedicated parts under 9017.90.0115.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If universal adjustment mechanisms
Non-specific parts to 9033 per Chapter note 2(c).
If generic helical springs
Springs of iron/steel if not instrument-specific.
Not sure which classification is right?
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Import Tips & Compliance
• Precision +/-0.001mm tolerance must be certified
• Include exploded diagrams showing assembly position
• Avoid 'spring' generic terms to prevent 7320 shift
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