Mathematical equipment; micrometers, callipers and gauges

HS v2022 Code: 901730

About mathematical equipment; micrometers, callipers and gauges

HS code 901730 covers a range of precision measuring instruments, including micrometers, calipers, and gauges. These tools are essential for a variety of industries, from manufacturing and engineering to construction and quality control. They play a crucial role in ensuring accuracy, consistency, and quality in the production of a wide array of goods, contributing to the overall efficiency and competitiveness of the global economy.

Production process

The production of micrometers, calipers, and gauges typically involves a combination of precision machining, assembly, and calibration. Manufacturers use advanced computer numerical control (CNC) machines to fabricate the individual components, ensuring tight tolerances and consistent quality. The components are then carefully assembled, often with the aid of specialized jigs and fixtures, to ensure proper alignment and functionality. Finally, the finished instruments undergo rigorous calibration and testing to verify their accuracy and compliance with industry standards.

Production inputs

The production of HS code 901730 items requires a range of inputs, including high-quality metals such as stainless steel, brass, and aluminum for the body and components. Precision bearings, springs, and other mechanical parts are also essential. Manufacturers may also utilize specialized software and measurement tools to design, prototype, and test the instruments. Additionally, skilled technicians and engineers are crucial for the design, production, and quality control processes.

Production outputs

The primary outputs of HS code 901730 are micrometers, calipers, and various types of gauges, which are used across a wide range of industries. These precision measuring instruments are often consumed by manufacturers in the 842 Machinery, 731 Construction, and 851 Electrical machinery sectors, among others. The accurate measurements provided by these tools are essential for ensuring the quality and interoperability of a vast array of products, from automotive components to medical devices.

Revisions to 901730

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 901730. The most recent 1 version of this code (901730) is in the HS v2022 system (this version):

This page shows the most recent version of code 901730.

Family tree for mathematical equipment; micrometers, callipers and gauges

    graph LR
    A["<a href='/classifications/hs/v2022/90'>90: Optical, photographic, cinematographic, measuring, checking, medical or surgical instruments and apparatus; parts and accessories</a>"]
A --> B["<a href='/classifications/hs/v2022/9017'>9017: Drawing, marking-out, mathematical calculating instruments (drafting machines, protractors, drawing sets etc); instruments for measuring length (e.g. measuring rods, tapes, micrometers, callipers) n.e.c.</a>"]
B --> C["<a href='/classifications/hs/v2022/901730'>901730: Mathematical equipment; micrometers, callipers and gauges</a>"]

    B --> D["<a href='/classifications/hs/v2022/901710'>901710: Drafting tables and machines; whether or not automatic</a>"]
B --> E["<a href='/classifications/hs/v2022/901720'>901720: Drawing, marking-out or mathematical calculating instruments</a>"]
B --> F["<a href='/classifications/hs/v2022/901780'>901780: Mathematical instruments and equipment; n.e.c. in heading no. 9017</a>"]
B --> G["<a href='/classifications/hs/v2022/901790'>901790: Drawing, marking-out equipment and mathematical instruments; parts and accessories</a>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight