Threaded articles, self-tapping screws (HS 731814)
Threaded articles, self-tapping screws (HS 731814) has 31,055 U.S. import bill-of-lading shipment records between Jun 2019 and Jul 2026. The largest U.S. importer of Threaded articles, self-tapping screws is ZF CHASSIS SYSTEMS DUNCAN LLC, with 1,299 shipments, followed by SUPPLY TECHNOLOGIES LLC and HELLA AUTOMOTIVE MEXICO S A. The leading supplier is ARNOLD UMFORMTECHNIK GMBH & CO, with 1,706 shipments, followed by KAMAX S R O and NEWREX SCREW CORP. Goods originate mainly from TAIWAN and GERMANY, arriving primarily at LOS ANGELES, CA. Import volume has declined over the past 12 months versus the prior year.
Sourced from U.S. Customs bill of lading data · Updated monthly · Data through July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Threaded articles, self-tapping screws (HS 731814), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ARNOLD UMFORMTECHNIK GMBH & CO → HELLA AUTOMOTIVE MEXICO S A with 456 shipments, followed by KAMAX S R O → ZF CHASSIS SYSTEMS DUNCAN LLC (432) and ARNOLD UMFORMTECHNIK GMBH & CO → ZF CHASSIS SYSTEMS DUNCAN LLC (323).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ZF CHASSIS SYSTEMS DUNCAN LLC | 1,299 |
| SUPPLY TECHNOLOGIES LLC | 1,025 |
| HELLA AUTOMOTIVE MEXICO S A | 949 |
| ATLAS BOLT & SCREW COMPANY | 851 |
| BLACK & DECKER US INC | 549 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ARNOLD UMFORMTECHNIK GMBH & CO | 1,706 |
| KAMAX S R O | 917 |
| NEWREX SCREW CORP | 822 |
| DURA FASTENERS CO LTD | 685 |
| DRAGON IRON FACTORY CO LTD | 673 |
Origin countries
| Country | Shipments |
|---|---|
| TAIWAN | 16,979 |
| GERMANY | 6,210 |
| CHINA | 2,696 |
| THAILAND | 1,243 |
| JAPAN | 1,059 |
| REPUBLIC OF KOREA | 369 |
| VIET NAM | 356 |
| HONG KONG | 342 |
| CHILE | 270 |
| SWITZERLAND | 229 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 9,121 |
| CHARLESTON, SC | 4,647 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 4,482 |
| LONG BEACH, CA | 2,882 |
| TACOMA, WA | 2,784 |
| SAVANNAH, GA | 1,852 |
| HOUSTON, TX | 1,283 |
| NORFOLK, VA | 1,020 |
| SEATTLE, WA | 938 |
| OAKLAND, CA | 531 |
Harmonized System classification
HS code 731814 — Threaded articles, self-tapping screws. The Harmonized System is the international standard for classifying traded goods; U.S. Customs records this 6-digit code on every bill of lading.
Not sure this is the right code? Search all 5,700+ subheadings with the free HS code lookup, or see which product categories are growing in our quarterly State of U.S. Imports reports.
Frequently asked questions about importing Threaded articles, self-tapping screws
Who imports Threaded articles, self-tapping screws (HS 731814)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Threaded articles, self-tapping screws include ZF CHASSIS SYSTEMS DUNCAN LLC, SUPPLY TECHNOLOGIES LLC, HELLA AUTOMOTIVE MEXICO S A, ATLAS BOLT & SCREW COMPANY, and BLACK & DECKER US INC.
Who is the largest U.S. importer of Threaded articles, self-tapping screws?
ZF CHASSIS SYSTEMS DUNCAN LLC is the largest U.S. importer of Threaded articles, self-tapping screws (HS 731814), with 1,299 bill-of-lading shipment records.
Who are the top suppliers of Threaded articles, self-tapping screws?
Leading suppliers shipping Threaded articles, self-tapping screws (HS 731814) to the U.S. include ARNOLD UMFORMTECHNIK GMBH & CO, KAMAX S R O, NEWREX SCREW CORP, DURA FASTENERS CO LTD, and DRAGON IRON FACTORY CO LTD.
How many U.S. shipments of Threaded articles, self-tapping screws are there?
ImportDoor has 31,055 U.S. import shipment records under HS code 731814, spanning Jun 2019 to Jul 2026.
Where is Threaded articles, self-tapping screws imported from?
Threaded articles, self-tapping screws is imported into the U.S. primarily from TAIWAN, GERMANY, and CHINA.
Find Threaded articles, self-tapping screws importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731814, with contact details and container-level shipment records on ImportDoor.
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