Caliper Ratchet Stop Mechanism
Replaceable ratchet and stop assemblies for consistent pressure on vernier and digital calipers. They ensure repeatable measurements in precision applications. These are dedicated parts for calipers of heading 90.17.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported with the complete caliper
Complete calipers are classified under the instrument heading.
If the ratchet is a general-purpose mechanical component
General gears and gearing are classified in Chapter 84.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Classify the ratchet mechanism as a part of a caliper, not as a general mechanical component
• Provide specifications showing its exclusive use in calipers
• Check if the mechanism qualifies for duty-free treatment
Related Products under Tariff item 9017.90.00
Caliper Case Protective Insert
Custom foam insert for protective cases of calipers and micrometers, preventing damage during transport. These inserts are molded to fit instrument profiles precisely, enhancing usability of handheld measuring tools. As accessories for measuring instruments of heading 90.17, they are classified under tariff item 9017.90.00.
Caliper Depth Gauge Probe Set
Interchangeable probe sets for depth measurement on vernier and digital calipers. Made from hardened steel for precision, they are used in automotive and aerospace inspection for accurate internal depth gauging. These are specific parts for calipers of heading 90.17.
Caliper Jaw Cleaning Brush Attachment
Retractable nylon brush attachment for cleaning caliper jaws without removing the instrument. This accessory maintains measurement accuracy by removing debris and is a hygiene accessory for precision hand tools. As an accessory for measuring instruments of heading 90.17, it is classified under tariff item 9017.90.00.
Calipers Digital Display Module
LCD display replacement module for electronic vernier calipers used in drafting sets. It provides a 0.001mm resolution with an absolute encoder interface, making it a specific electronic part for hand-held measuring instruments. This module falls under parts and accessories for measuring instruments of heading 90.17.
Calipers Spring Clip
A high-tension stainless spring designed to maintain jaw pressure on hand-held measuring calipers, ensuring frictionless operation. This component is essential for the proper functioning of calipers classified under heading 9017, which includes instruments for measuring length for use in the hand.
Dial Indicator Mounting Base for Micrometers
Magnetic or clamp-style mounting bases tailored for dial indicators and micrometers. They facilitate stable hand-held or bench measurements, enhancing precision in length gauging for quality control. These accessories are specific to instruments of heading 90.17.