Other screws and bolts, whether or not with their nuts or washers (HS 731815)
Other screws and bolts, whether or not with their nuts or washers (HS 731815) has 95,984 U.S. import bill-of-lading shipment records between Mar 2019 and Jul 2026. The largest U.S. importer of Other screws and bolts, whether or not with their nuts or washers is ZF CHASSIS SYSTEMS DUNCAN LLC, with 6,476 shipments, followed by SUPPLY TECHNOLOGIES LLC and GS OPERATING LLC. The leading supplier is AUGUST AMBER HK LIMITED, with 9,448 shipments, followed by KAMAX WERKE RUDOLF KELLERMANN GMBH & CO and TONG HWEI ENTERPRISE CO LTD. Goods originate mainly from TAIWAN 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 July 2026
Shipments over time (last 24 months)
Trade flow: top suppliers → U.S. importers
The strongest supplier-importer relationships for Other screws and bolts, whether or not with their nuts or washers (HS 731815), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is KAMAX WERKE RUDOLF KELLERMANN GMBH & CO → ZF CHASSIS SYSTEMS DUNCAN LLC with 2,726 shipments, followed by ARNOLD UMFORMTECHNIK GMBH & CO → PIERBURG US LLC (466) and ARNOLD UMFORMTECHNIK GMBH & CO → CONTINENTAL AUTOMOTIVE SYSTEMS (389).
Top U.S. importers
| Importer | Shipments |
|---|---|
| ZF CHASSIS SYSTEMS DUNCAN LLC | 6,476 |
| SUPPLY TECHNOLOGIES LLC | 2,108 |
| GS OPERATING LLC | 1,578 |
| AS BOSCH FLORENCE KY | 1,504 |
| MANTEN CORP | 1,117 |
Top suppliers
| Supplier | Shipments |
|---|---|
| AUGUST AMBER HK LIMITED | 9,448 |
| KAMAX WERKE RUDOLF KELLERMANN GMBH & CO | 2,968 |
| TONG HWEI ENTERPRISE CO LTD | 1,737 |
| ARNOLD UMFORMTECHNIK GMBH & CO | 1,564 |
| JINN HER ENTERPRISE CO LTD | 1,450 |
Origin countries
| Country | Shipments |
|---|---|
| TAIWAN | 35,399 |
| GERMANY | 22,682 |
| CHINA | 16,277 |
| JAPAN | 3,228 |
| INDIA | 2,784 |
| THAILAND | 2,380 |
| VIET NAM | 2,113 |
| REPUBLIC OF KOREA | 1,651 |
| BELGIUM | 1,332 |
| SPAIN | 1,283 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 23,806 |
| CHARLESTON, SC | 19,744 |
| LONG BEACH, CA | 14,698 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 12,951 |
| TACOMA, WA | 6,800 |
| SAVANNAH, GA | 4,224 |
| HOUSTON, TX | 3,886 |
| NORFOLK, VA | 2,892 |
| SEATTLE, WA | 1,581 |
| NEW YORK, NY | 1,539 |
Harmonized System classification
HS code 731815 — Other screws and bolts, whether or not with their nuts or washers. 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 Other screws and bolts, whether or not with their nuts or washers
Who imports Other screws and bolts, whether or not with their nuts or washers (HS 731815)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Other screws and bolts, whether or not with their nuts or washers include ZF CHASSIS SYSTEMS DUNCAN LLC, SUPPLY TECHNOLOGIES LLC, GS OPERATING LLC, AS BOSCH FLORENCE KY, and MANTEN CORP.
Who is the largest U.S. importer of Other screws and bolts, whether or not with their nuts or washers?
ZF CHASSIS SYSTEMS DUNCAN LLC is the largest U.S. importer of Other screws and bolts, whether or not with their nuts or washers (HS 731815), with 6,476 bill-of-lading shipment records.
Who are the top suppliers of Other screws and bolts, whether or not with their nuts or washers?
Leading suppliers shipping Other screws and bolts, whether or not with their nuts or washers (HS 731815) to the U.S. include AUGUST AMBER HK LIMITED, KAMAX WERKE RUDOLF KELLERMANN GMBH & CO, TONG HWEI ENTERPRISE CO LTD, ARNOLD UMFORMTECHNIK GMBH & CO, and JINN HER ENTERPRISE CO LTD.
How many U.S. shipments of Other screws and bolts, whether or not with their nuts or washers are there?
ImportDoor has 95,984 U.S. import shipment records under HS code 731815, spanning Mar 2019 to Jul 2026.
Where is Other screws and bolts, whether or not with their nuts or washers imported from?
Other screws and bolts, whether or not with their nuts or washers is imported into the U.S. primarily from TAIWAN, GERMANY, and CHINA.
Find Other screws and bolts, whether or not with their nuts or washers importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731815, with contact details and container-level shipment records on ImportDoor.
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