# United States tariff lines under HS 8477.20

> The United States tariff splits HS 8477.20 (extruders) into 6 national lines: 8477.20.00.05 (single screw), 8477.20.00.15 (other, including multiple screw), 8477.20.00.35 (less than 6.4 cm), 8477.20.00.45 (6.4 cm or greater) and 2 others. The general (MFN) duty is 3.1% on all 6 lines.

Source: https://border.bot/countries/united-states/hs-codes/847720
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) / [8477.20](https://border.bot/countries/united-states/hs-codes/847720)

## Key facts

- HS subheading: [8477.20](https://border.bot/hs-codes/847720)
- Duty (MFN): 3.1%
- National lines: 6
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

## United States lines under 8477.20

The United States tariff splits HS 8477.20 (extruders) into 6 national lines: 8477.20.00.05 (single screw), 8477.20.00.15 (other, including multiple screw), 8477.20.00.35 (less than 6.4 cm), 8477.20.00.45 (6.4 cm or greater) and 2 others.

The general (MFN) duty is 3.1% on all 6 lines.

- [8477.20.00.05](https://border.bot/countries/united-states/hs-codes/8477200005) Extruders, Of a type used for processing rubber or other thermosetting materials, Single screw. Duty (MFN): 3.1%
- [8477.20.00.15](https://border.bot/countries/united-states/hs-codes/8477200015) Extruders, Of a type used for processing rubber or other thermosetting materials, Other, including multiple screw. Duty (MFN): 3.1%
- [8477.20.00.35](https://border.bot/countries/united-states/hs-codes/8477200035) Extruders, Of a type used for processing thermoplastics, Single screw, with a screw size, Less than 6.4 cm. Duty (MFN): 3.1%
- [8477.20.00.45](https://border.bot/countries/united-states/hs-codes/8477200045) Extruders, Of a type used for processing thermoplastics, Single screw, with a screw size, 6.4 cm or greater. Duty (MFN): 3.1%
- [8477.20.00.55](https://border.bot/countries/united-states/hs-codes/8477200055) Extruders, Of a type used for processing thermoplastics, Other, including multiple screw, With a screw size less than 6.4 cm. Duty (MFN): 3.1%
- [8477.20.00.65](https://border.bot/countries/united-states/hs-codes/8477200065) Extruders, Of a type used for processing thermoplastics, Other, including multiple screw, With a screw size 6.4 cm or greater. Duty (MFN): 3.1%

## In other countries

No other national tariff on border.bot has live lines under 8477.20 yet.

- [The Harmonized System text for 8477.20](https://border.bot/hs-codes/847720)

- Previous subheading: [8477.10](https://border.bot/countries/united-states/hs-codes/847710) Injection-molding machines
- Next subheading: [8477.30](https://border.bot/countries/united-states/hs-codes/847730) Machinery for working rubber or plastics or for the manufacture of products from these materials, not specified or included elsewhere in this chapter; parts thereof

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 8477.20?

The United States tariff splits HS 8477.20 (extruders) into 6 national lines: 8477.20.00.05 (single screw), 8477.20.00.15 (other, including multiple screw), 8477.20.00.35 (less than 6.4 cm), 8477.20.00.45 (6.4 cm or greater) and 2 others.

### What is the duty on HS 8477.20 in the United States?

The general (MFN) duty is 3.1% on all 6 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/847720.json