Thread rolling machines (HS 846320)
Thread rolling machines (HS 846320) has 2,361 U.S. import bill-of-lading shipment records between Jan 2020 and Aug 2026. The largest U.S. importer of Thread rolling machines is ROBERT BOSCH LLC, with 137 shipments, followed by VALMET INC and BROSE TUSCALOOSA INC. The leading supplier is HANGZHOU WELL TRANS SUPPLY CHAIN MA, with 174 shipments, followed by EJOT SE & CO and AUGUST AMBER HK LIMITED. Goods originate mainly from CHINA and GERMANY, arriving primarily at LOS ANGELES, CA. Import volume has risen 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/846320-thread-rolling-machines
See all 2,361 shipments of HS 846320 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 Thread rolling machines (HS 846320), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ARNOLD UMFORMTECHNIK GMBH & CO → ROBERT BOSCH LLC with 83 shipments, followed by EJOT SE & CO → BROSE TUSCALOOSA INC (72) and EJOT SE & CO → BROSE SPARTANBURG INC (62).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ROBERT BOSCH LLC | 137 |
| VALMET INC | 81 |
| BROSE TUSCALOOSA INC | 75 |
| BROSE SPARTANBURG INC | 62 |
| SST FORMING ROLL INC | 53 |
| RADIUS LLC | 52 |
| OSG CANADA LTD | 45 |
| PYONGSAN AMERICA INC | 43 |
| DANIELI CORP | 38 |
| TRACTOR SUPPLY COMPANY | 34 |
Top suppliers
| Supplier | Shipments |
|---|---|
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 174 |
| EJOT SE & CO | 135 |
| AUGUST AMBER HK LIMITED | 129 |
| ARNOLD UMFORMTECHNIK GMBH & CO | 86 |
| SANYO SEIKI CO LTD | 69 |
| HEBEI CHENCHAO WIRE MESH CO LTD | 65 |
| SFS INTEC AG | 54 |
| VALMET TECHNOLOGIES OY | 47 |
| OSG CORP | 45 |
| XIAMEN KERLO RUBBER & PLASTICS CO | 40 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 1,062 |
| GERMANY | 458 |
| TAIWAN | 171 |
| JAPAN | 152 |
| REPUBLIC OF KOREA | 96 |
| FINLAND | 80 |
| ITALY | 62 |
| VIET NAM | 59 |
| GUAM | 34 |
| BELGIUM | 31 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 601 |
| LONG BEACH, CA | 465 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 290 |
| CHARLESTON, SC | 261 |
| SAVANNAH, GA | 227 |
| TACOMA, WA | 152 |
| SEATTLE, WA | 75 |
| HOUSTON, TX | 75 |
| NORFOLK, VA | 68 |
| OAKLAND, CA | 34 |
Harmonized System classification
HS code 846320 — Thread rolling machines. 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 8463
Other six-digit codes in HS 8463: Other machine tools for working metal or cermets, without removing material, with their U.S. import volume.
Frequently asked questions about importing Thread rolling machines
Who imports Thread rolling machines (HS 846320)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Thread rolling machines include ROBERT BOSCH LLC, VALMET INC, BROSE TUSCALOOSA INC, BROSE SPARTANBURG INC, and SST FORMING ROLL INC.
Who is the largest U.S. importer of Thread rolling machines?
ROBERT BOSCH LLC is the largest U.S. importer of Thread rolling machines (HS 846320), with 137 bill-of-lading shipment records.
Who are the top suppliers of Thread rolling machines?
Leading suppliers shipping Thread rolling machines (HS 846320) to the U.S. include HANGZHOU WELL TRANS SUPPLY CHAIN MA, EJOT SE & CO, AUGUST AMBER HK LIMITED, ARNOLD UMFORMTECHNIK GMBH & CO, and SANYO SEIKI CO LTD.
How many U.S. shipments of Thread rolling machines are there?
ImportDoor has 2,361 U.S. import shipment records under HS code 846320, spanning Jan 2020 to Aug 2026.
Where is Thread rolling machines imported from?
Thread rolling machines is imported into the U.S. primarily from CHINA, GERMANY, and TAIWAN.
Find Thread rolling machines importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 846320, with contact details and container-level shipment records on ImportDoor.
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