Analysis
HTS 8448.51.20 covers spring-beard needles under heading 8448 (auxiliary machinery for use with machines of heading 8444, 8445, 8446 or 8447 (for…).
The normal trade relations rate here is zero, shared by about 61% of the 823 tariff lines in chapter 84, a useful check when a neighbouring dutiable line is a candidate. Chapter 99 measures such as Section 301 or 232 can still apply on top, depending on where the goods come from.
The other lines in the same group are 8448.51.10 (needles for knitting machines: latch needles, duty-free), 8448.51.30 (needles for knitting machines: other, duty-free) and 8448.51.50 (sinkers, needles and other articles used in forming…, duty-free).
Census statistics map these goods to NAICS 33324 (Industrial Machinery Manufacturing), an industry of 2,836 US establishments employing 111,497 people. That concordance is how imports of this line are compared with US output.
All 3 neighbouring lines carry the same duty-free rate, so a borderline choice between them changes the statistics reported, not the duty paid.
Every edition we compared, from Jan 2023 to Oct 2026 (Rev. 22), shows the same general rate of Free.
Neighbouring lines
| Line | Description | General rate |
|---|---|---|
| 8448.51.10 | Needles for knitting machines: latch needles | Free |
| 8448.51.30 | Needles for knitting machines: other | Free |
| 8448.51.50 | Sinkers, needles and other articles used in forming stitches: other | Free |