# United States tariff lines under HS 8447.12

> The United States tariff splits HS 8447.12 (circular knitting machines: With cylinder diameter exceeding 165mm) into 4 national lines: 8447.12.10.00 (for knitting hosiery), 8447.12.90.10 (open-top cylinder machines), 8447.12.90.20 (cylinder and dial machines) and 8447.12.90.90 (other). Every United States line under 8447.12 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/844712
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 84](https://border.bot/countries/united-states/hs-codes/84) / [8447.12](https://border.bot/countries/united-states/hs-codes/844712)

## Key facts

- HS subheading: [8447.12](https://border.bot/hs-codes/844712)
- Duty (MFN): Free
- National lines: 4
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8447.12

The United States tariff splits HS 8447.12 (circular knitting machines: With cylinder diameter exceeding 165mm) into 4 national lines: 8447.12.10.00 (for knitting hosiery), 8447.12.90.10 (open-top cylinder machines), 8447.12.90.20 (cylinder and dial machines) and 8447.12.90.90 (other).

Every United States line under 8447.12 is free of general (MFN) duty.

- [8447.12.10.00](https://border.bot/countries/united-states/hs-codes/8447121000) Circular knitting machines, With cylinder diameter exceeding 165 mm, For knitting hosiery. Duty (MFN): free
- [8447.12.90.10](https://border.bot/countries/united-states/hs-codes/8447129010) Circular knitting machines, With cylinder diameter exceeding 165 mm, Other, Open-top cylinder machines. Duty (MFN): free
- [8447.12.90.20](https://border.bot/countries/united-states/hs-codes/8447129020) Circular knitting machines, With cylinder diameter exceeding 165 mm, Other, Cylinder and dial machines. Duty (MFN): free
- [8447.12.90.90](https://border.bot/countries/united-states/hs-codes/8447129090) Circular knitting machines, With cylinder diameter exceeding 165 mm, Other, Other. Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 8447.12 yet.

- [The Harmonized System text for 8447.12](https://border.bot/hs-codes/844712)

- Previous subheading: [8447.11](https://border.bot/countries/united-states/hs-codes/844711) With cylinder diameter not exceeding 165 mm
- Next subheading: [8447.20](https://border.bot/countries/united-states/hs-codes/844720) Flat knitting machines; stitch-bonding machines

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8447.12?

The United States tariff splits HS 8447.12 (circular knitting machines: With cylinder diameter exceeding 165mm) into 4 national lines: 8447.12.10.00 (for knitting hosiery), 8447.12.90.10 (open-top cylinder machines), 8447.12.90.20 (cylinder and dial machines) and 8447.12.90.90 (other).

### What is the duty on HS 8447.12 in the United States?

Every United States line under 8447.12 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/844712.json