Laser Scan Micrometer Calibration Block

Precision-ground reference block for calibrating non-contact laser scan micrometers in HTS 9031. Ensures measurement system accuracy for diameter/gap checking. Accessory solely for 9031 optical measuring instruments.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

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

9031.41.00Same rate: 35%

If qualifying as complete gauge block set for multiple instruments

Specific gauge blocks heading takes precedence over parts.

7326.90.86Higher: 37.9% vs 35%

If standard ground blocks without laser micrometer specification

General metal articles if not proven for 9031 principal use.

8466.94Lower: 14.7% vs 35%

If calibration standards for machine tool setting

Machine tool fittings heading for non-measuring applications.

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

Certify tolerances to ±0.1μm; lesser precision shifts to 7326 metal standards

Pair with instrument invoices to establish dedicated use relationship

Avoid 'gauge block' generic labeling triggering 9031.41 classification

Related Products under HTS 9031.90.91.95

Starrett Precision Caliper Jaw Protector Set

Replaceable jaw protectors for Starrett vernier and digital calipers that prevent surface damage during delicate measurements. Classified under HTS 9031.90.91.95 as dedicated accessories for profile projectors and other 9031 checking instruments. Ensures protection without altering measurement accuracy.

Vision System Telecentric Lens Mount

Precision adjustable mount for telecentric lenses in machine vision measurement systems classified under HTS 9031. Ensures distortion-free dimensional checking. Accessory principally for 9031 profile projectors and checking machines.

Hardness Tester Indenter Anvil

Precision carbide anvil support for Rockwell/Vickers hardness testers under HTS 9031 measuring instruments. Provides stable reference surface for accurate hardness measurement. Dedicated accessory for material testing appliances.

Autocollimator Mounting Prism

Right-angle prism accessory for electronic autocollimators used in angular measurement under HTS 9031. Enables perpendicular alignment verification in precision alignment checking. Optical accessory dedicated to 9031 instruments.

Mitutoyo Digital Micrometer Stand

A precision adjustable stand designed specifically for holding Mitutoyo digital micrometers during measurement operations. It falls under HTS 9031.90.91.95 as an accessory for measuring instruments in heading 9031, providing stable support to ensure accurate readings. Not classified elsewhere due to its dedicated use with precision measuring tools.

Optical Comparator Stage Micrometer

Calibration standard with precise etched scales for verifying accuracy of optical comparator/profile projector stages under HTS 9031. Essential accessory for ensuring measurement traceability in quality control. Specifically designed for 9031 profile projectors.