# United States tariff line 4418.91.10.00: Drilled or notched lumber studs

> In the United States tariff, line 4418.91.10.00 covers builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, of bamboo, drilled or notched lumber studs. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 4418.91 in heading 44.18 (chapter 44).

Source: https://border.bot/countries/united-states/hs-codes/4418911000
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 44](https://border.bot/countries/united-states/hs-codes/44) / [4418.91](https://border.bot/countries/united-states/hs-codes/441891) / [4418.91.10.00](https://border.bot/countries/united-states/hs-codes/4418911000)

## Key facts

- Tariff line: 4418.91.10.00
- Covers: Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, of bamboo, drilled or notched lumber studs
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [4418.91](https://border.bot/hs-codes/441891)

## What this line covers

In the United States tariff, line 4418.91.10.00 covers builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, of bamboo, drilled or notched lumber studs.

Its legal text is “Drilled or notched lumber studs”, read under “Other” and “Of bamboo”.

## How it is structured

It falls under HS subheading 4418.91 in heading 44.18 (chapter 44). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 44: Wood and articles of wood; wood charcoal
- Heading 44.18: Builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes
- Subheading 4418.91: Other
- Within the subheading: Of bamboo
- Line 4418.91.10.00: Drilled or notched lumber studs

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 4418.91 yet.

- [The Harmonized System text for 4418.91](https://border.bot/hs-codes/441891)

## Other lines under 4418.91

- [4418.91.91.05](https://border.bot/countries/united-states/hs-codes/4418919105) Wood flooring
- [4418.91.91.10](https://border.bot/countries/united-states/hs-codes/4418919110) Arches, laminated
- [4418.91.91.20](https://border.bot/countries/united-states/hs-codes/4418919120) Roof trusses
- [4418.91.91.40](https://border.bot/countries/united-states/hs-codes/4418919140) Other fabricated structural wood members
- [4418.91.91.50](https://border.bot/countries/united-states/hs-codes/4418919150) Prefabricated partitions and panels for buildings
- [4418.91.91.95](https://border.bot/countries/united-states/hs-codes/4418919195) Other

- Previous line: [4418.89.00.00](https://border.bot/countries/united-states/hs-codes/4418890000) Other
- Next line: [4418.91.91.05](https://border.bot/countries/united-states/hs-codes/4418919105) Wood flooring

## Frequently asked questions

### What does tariff line 4418.91.10.00 cover in the United States tariff?

In the United States tariff, line 4418.91.10.00 covers builders' joinery and carpentry of wood, including cellular wood panels and assembled flooring panels; shingles and shakes, of bamboo, drilled or notched lumber studs.

### What is the general (MFN) duty on 4418.91.10.00 in the United States?

Goods under this line enter 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/4418911000.json