# United States tariff lines under HS 8459.70

> The United States tariff splits HS 8459.70 (other threading or tapping machines) into 4 national lines: 8459.70.40.00 (numerically controlled), 8459.70.80.40 (used or rebuilt), 8459.70.80.60 (other, valued under $3,025 each) and 8459.70.80.80 (other). The general (MFN) duty is 4.2% on all 4 lines.

Source: https://border.bot/countries/united-states/hs-codes/845970
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) / [8459.70](https://border.bot/countries/united-states/hs-codes/845970)

## Key facts

- HS subheading: [8459.70](https://border.bot/hs-codes/845970)
- Duty (MFN): 4.2%
- 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 8459.70

The United States tariff splits HS 8459.70 (other threading or tapping machines) into 4 national lines: 8459.70.40.00 (numerically controlled), 8459.70.80.40 (used or rebuilt), 8459.70.80.60 (other, valued under $3,025 each) and 8459.70.80.80 (other).

The general (MFN) duty is 4.2% on all 4 lines.

- [8459.70.40.00](https://border.bot/countries/united-states/hs-codes/8459704000) Other threading or tapping machines, Numerically controlled. Duty (MFN): 4.2%
- [8459.70.80.40](https://border.bot/countries/united-states/hs-codes/8459708040) Other threading or tapping machines, Other, Used or rebuilt. Duty (MFN): 4.2%
- [8459.70.80.60](https://border.bot/countries/united-states/hs-codes/8459708060) Other threading or tapping machines, Other, Other, valued under $3,025 each. Duty (MFN): 4.2%
- [8459.70.80.80](https://border.bot/countries/united-states/hs-codes/8459708080) Other threading or tapping machines, Other, Other. Duty (MFN): 4.2%

## In other countries

No other national tariff on border.bot has live lines under 8459.70 yet.

- [The Harmonized System text for 8459.70](https://border.bot/hs-codes/845970)

- Previous subheading: [8459.69](https://border.bot/countries/united-states/hs-codes/845969) Machine tools (including way-type unit head machines) for drilling, boring, milling, threading or tapping by removing metal, other than lathes (including turning centers) of heading 8458
- Next subheading: [8460.12](https://border.bot/countries/united-states/hs-codes/846012) Machine tools for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding stones, abrasives or polishing products, other than gear cutting, gear grinding or gear finishing machines of heading 8461

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8459.70?

The United States tariff splits HS 8459.70 (other threading or tapping machines) into 4 national lines: 8459.70.40.00 (numerically controlled), 8459.70.80.40 (used or rebuilt), 8459.70.80.60 (other, valued under $3,025 each) and 8459.70.80.80 (other).

### What is the duty on HS 8459.70 in the United States?

The general (MFN) duty is 4.2% on all 4 lines.

## 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/845970.json