Other
Measuring or checking instruments, appliances and machines, not specified or included elsewhere in this chapter; profile projectors; parts and accessories thereof: > Parts and accessories: > Other: > Other > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Products classified 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.
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.
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.
Brown & Sharpe CMM Probe Stylus Kit
Interchangeable carbide stylus tips and holders for coordinate measuring machines (CMMs) classified under 9031 profile/checking instruments. HTS 9031.90.91.95 covers these precision accessories essential for 3D measurement accuracy. Dedicated for principal use with 9031 apparatus.
Fowler Surface Roughness Tester Stylus
Diamond-tipped stylus replacement for portable surface roughness testers under HTS 9031 measuring instruments. Critical accessory for profilometer accuracy in surface texture measurement. Exclusively designed for 9031 checking appliances.
Thread Pitch Measuring Microscope Reticle
Glass reticle with precision thread pitch graduations for thread measuring microscopes under HTS 9031. Essential optical accessory for accurate pitch diameter verification. Specifically for 9031 checking instruments.