# United States tariff line 7307.19.30.40: Grooved-end fittings (including grooved couplings)

> In the United States tariff, line 7307.19.30.40 covers cast fittings, ductile fittings, grooved-end fittings (including grooved couplings). The general (MFN) duty rate is 5.6%. It falls under HS subheading 7307.19 in heading 73.07 (chapter 73).

Source: https://border.bot/countries/united-states/hs-codes/7307193040
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 73](https://border.bot/countries/united-states/hs-codes/73) / [7307.19](https://border.bot/countries/united-states/hs-codes/730719) / [7307.19.30.40](https://border.bot/countries/united-states/hs-codes/7307193040)

## Key facts

- Tariff line: 7307.19.30.40
- Covers: Cast fittings, ductile fittings, grooved-end fittings (including grooved couplings)
- Duty (MFN): 5.6%
- Preferential rates: From free (17 programmes or origins)
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [7307.19](https://border.bot/hs-codes/730719)

## What this line covers

In the United States tariff, line 7307.19.30.40 covers cast fittings, ductile fittings, grooved-end fittings (including grooved couplings).

Its legal text is “Grooved-end fittings (including grooved couplings)”, read under “Cast fittings”, “Other” and “Ductile fittings”.

## How it is structured

It falls under HS subheading 7307.19 in heading 73.07 (chapter 73). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 73: Articles of iron or steel
- Heading 73.07: Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel
- Subheading 7307.19: Cast fittings
- Within the subheading: Other
- Within the subheading: Ductile fittings
- Line 7307.19.30.40: Grooved-end fittings (including grooved couplings)

## Duty

The general (MFN) duty rate is 5.6%.

The rate is published on 7307.19.30.

Duty-free entry applies to goods that qualify under 16 programmes, and to goods from a group of origins (origin group A*).

- Free: a group of origins (origin group A*) (A*)
- Free: United States-Australia Free Trade Agreement (AU)
- Free: United States-Bahrain Free Trade Agreement Implementation Act (BH)
- Free: United States-Chile Free Trade Agreement (CL)
- Free: United States-Colombia Trade Promotion Agreement Implementation Act (CO)
- Free: African Growth and Opportunity Act (D)
- Free: Caribbean Basin Economic Recovery Act (E)
- Free: United States-Israel Free Trade Area (IL)
- Free: United States-Jordan Free Trade Area Implementation Act (JO)
- Free: United States-Korea Free Trade Agreement Implementation Act (KR)
- Free: United States-Morocco Free Trade Agreement Implementation Act (MA)
- Free: United States-Oman Free Trade Agreement Implementation Act (OM)
- Free: Dominican Republic-Central America-United States Free Trade Agreement (P)
- Free: United States-Panama Trade Promotion Agreement Implementation Act (PA)
- Free: United States-Peru Trade Promotion Agreement Implementation Act (PE)
- Free: United States-Mexico-Canada Agreement (S)
- Free: United States-Singapore Free Trade Agreement (SG)

## In other countries

No other national tariff on border.bot has live lines under 7307.19 yet.

- [The Harmonized System text for 7307.19](https://border.bot/hs-codes/730719)

## Other lines under 7307.19

- [7307.19.30.60](https://border.bot/countries/united-states/hs-codes/7307193060) Threaded
- [7307.19.30.70](https://border.bot/countries/united-states/hs-codes/7307193070) With mechanical, push-on (rubber compression) or flanged joints attached
- [7307.19.30.85](https://border.bot/countries/united-states/hs-codes/7307193085) Other
- [7307.19.90.30](https://border.bot/countries/united-states/hs-codes/7307199030) Unions
- [7307.19.90.40](https://border.bot/countries/united-states/hs-codes/7307199040) Grooved-end fittings (including grooved couplings)
- [7307.19.90.60](https://border.bot/countries/united-states/hs-codes/7307199060) Threaded
- [7307.19.90.80](https://border.bot/countries/united-states/hs-codes/7307199080) Other

- Previous line: [7307.11.00.60](https://border.bot/countries/united-states/hs-codes/7307110060) Other
- Next line: [7307.19.30.60](https://border.bot/countries/united-states/hs-codes/7307193060) Threaded

## Frequently asked questions

### What does tariff line 7307.19.30.40 cover in the United States tariff?

In the United States tariff, line 7307.19.30.40 covers cast fittings, ductile fittings, grooved-end fittings (including grooved couplings).

### What is the general (MFN) duty on 7307.19.30.40 in the United States?

The general (MFN) duty rate is 5.6%. The rate is published on 7307.19.30.

### Which preferential rates apply to 7307.19.30.40?

Duty-free entry applies to goods that qualify under 16 programmes: the United States-Australia Free Trade Agreement, the United States-Bahrain Free Trade Agreement Implementation Act, the United States-Chile Free Trade Agreement, the United States-Colombia Trade Promotion Agreement Implementation Act, African Growth and Opportunity Act, Caribbean Basin Economic Recovery Act, the United States-Israel Free Trade Area, the United States-Jordan Free Trade Area Implementation Act, the United States-Korea Free Trade Agreement Implementation Act, the United States-Morocco Free Trade Agreement Implementation Act, the United States-Oman Free Trade Agreement Implementation Act, the Dominican Republic-Central America-United States Free Trade Agreement, the United States-Panama Trade Promotion Agreement Implementation Act, the United States-Peru Trade Promotion Agreement Implementation Act, the United States-Mexico-Canada Agreement and the United States-Singapore Free Trade Agreement, and to goods from a group of origins (origin group A*).

## 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/7307193040.json