Threaded articles, self-tapping screws (HS 731814)
Threaded articles, self-tapping screws (HS 731814) has 35,853 U.S. import bill-of-lading shipment records between Jun 2019 and Aug 2026. The largest U.S. importer of Threaded articles, self-tapping screws is ZF CHASSIS SYSTEMS DUNCAN LLC, with 1,583 shipments, followed by HELLA AUTOMOTIVE MEXICO S A and SUPPLY TECHNOLOGIES LLC. The leading supplier is ARNOLD UMFORMTECHNIK GMBH & CO, with 2,136 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 August 2026Cite as: ImportDoor, U.S. Customs bill of lading data (data through August 2026), https://www.importdoor.com/products/731814-threaded-articles-self-tapping-screws
See all 35,853 shipments of HS 731814 with dates, ports, consignees, filters and CSV export in the ImportDoor dashboard.
Open in dashboardShipments by month (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 613 shipments, followed by KAMAX S R O → ZF CHASSIS SYSTEMS DUNCAN LLC (527) and ARNOLD UMFORMTECHNIK GMBH & CO → ZF CHASSIS SYSTEMS DUNCAN LLC (408).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ZF CHASSIS SYSTEMS DUNCAN LLC | 1,583 |
| HELLA AUTOMOTIVE MEXICO S A | 1,240 |
| SUPPLY TECHNOLOGIES LLC | 1,161 |
| ATLAS BOLT & SCREW COMPANY | 941 |
| BLACK & DECKER US INC | 570 |
| MARINE FASTENERS INC | 563 |
| CC BOSCH CHARLESTON | 424 |
| ED BOSCH ALBION IN | 415 |
| GRABBER CONSTRUCTION PRODUCTS INC | 342 |
| EJOT FASTENING SYSTEMS LP | 336 |
Top suppliers
| Supplier | Shipments |
|---|---|
| ARNOLD UMFORMTECHNIK GMBH & CO | 2,136 |
| KAMAX S R O | 1,129 |
| NEWREX SCREW CORP | 900 |
| DRAGON IRON FACTORY CO LTD | 811 |
| RODEX FASTENERS CORP | 776 |
| DURA FASTENERS CO LTD | 763 |
| J C GRAND CORP | 668 |
| NYTAPS TAIWAN CORP | 667 |
| ATLAS BOLT & SCREW SHENZHEN CO | 649 |
| ARNOLD UMFORMTECHNIK GMBH CO | 633 |
Origin countries
| Country | Shipments |
|---|---|
| TAIWAN | 19,453 |
| GERMANY | 7,395 |
| CHINA | 3,068 |
| THAILAND | 1,378 |
| JAPAN | 1,295 |
| VIET NAM | 403 |
| REPUBLIC OF KOREA | 399 |
| HONG KONG | 387 |
| CHILE | 313 |
| SWITZERLAND | 266 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 10,446 |
| CHARLESTON, SC | 5,544 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 5,189 |
| LONG BEACH, CA | 3,405 |
| TACOMA, WA | 3,134 |
| SAVANNAH, GA | 2,063 |
| HOUSTON, TX | 1,468 |
| NORFOLK, VA | 1,153 |
| SEATTLE, WA | 1,094 |
| NEW YORK, NY | 633 |
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.
More products under HS 7318
Other six-digit codes in HS 7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel, with their U.S. import volume.
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, HELLA AUTOMOTIVE MEXICO S A, SUPPLY TECHNOLOGIES LLC, 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 1,583 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, DRAGON IRON FACTORY CO LTD, and RODEX FASTENERS CORP.
How many U.S. shipments of Threaded articles, self-tapping screws are there?
ImportDoor has 35,853 U.S. import shipment records under HS code 731814, spanning Jun 2019 to Aug 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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