Watch Case Back Screws

Specialized micro-screws with gasket grooves for securing watch case backs. These fall under HTS 9114.90.50.00 as other precision watch fasteners. Designed for water resistance and tamper evidence.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China4.2%+17.5%21.7%
🇲🇽Mexico4.2%+10.0%14.2%
🇨🇦Canada4.2%+10.0%14.2%
🇩🇪Germany4.2%+10.0%14.2%
🇯🇵Japan4.2%+10.0%14.2%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.15.20Higher: 35% vs 21.7%

If standard machine screws

General use screws excluded from Chapter 91

7115.90Lower: 14% vs 21.7%

If precious metal screws

Precious metal fasteners classified in Chapter 71

8479.89.95Higher: 37.5% vs 21.7%

If industrial machinery screws

Machine parts classified by end use

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Specify thread pitch, head type, and gasket compatibility

Generic screws classify in Chapter 73

Torque specifications required for customs valuation

Related Products under HTS 9114.90.50.00

Stainless Steel Watch Crown

A stainless steel winding crown used to set time and wind mechanical watches. It falls under HTS 9114.90.50.00 as an other clock or watch part, specifically a component for case interaction not classified elsewhere in heading 9114. This part is essential for user adjustment of watch functions.

Quartz Watch Battery Cover

A small metal or plastic cover that secures the battery in quartz watches. Classified under HTS 9114.90.50.00 as other watch parts, this component protects the power source and maintains water resistance. It is not a movement or case component.

Watch Hand Setting Lever

A precision lever mechanism that allows switching between time-setting and winding modes in mechanical watches. This part falls under HTS 9114.90.50.00 as other watch parts essential for movement operation. It interfaces directly with the crown and movement gears.

Sapphire Watch Crystal Gaskets

Rubber or silicone gaskets designed specifically for sealing sapphire watch crystals to cases. Classified in HTS 9114.90.50.00 as other watch parts providing water resistance. These are custom-shaped for watch case specifications.

Watch Movement Spacer Rings

Precision-machined rings that position watch movements within cases, ensuring proper alignment. These fall under HTS 9114.90.50.00 as other watch parts critical for assembly integrity. Available in various thicknesses for different movement sizes.

Automatic Watch Rotor Weights

Tungsten or gold-weighted rotors that provide winding power for automatic watch movements. Classified under HTS 9114.90.50.00 as other watch parts specific to self-winding mechanisms. These heavy components spin with wrist motion to power the watch.