Screw hooks and screw rings (HS 731813)
Screw hooks and screw rings (HS 731813) has 62,108 U.S. import bill-of-lading shipment records between Jun 2018 and Jul 2026. The largest U.S. importer of Screw hooks and screw rings is THE HILLMAN GROUP, with 1,638 shipments, followed by THE HILLMAN GROUP INC and SUPPLY TECHNOLOGIES LLC. The leading supplier is AUGUST AMBER HK LIMITED, with 6,174 shipments, followed by ZYH YIN ENTERPRISE CO LTD and HANGZHOU WELL TRANS SUPPLY CHAIN MA. Goods originate mainly from CHINA and TAIWAN, 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 Screw hooks and screw rings (HS 731813), by shipment volume. Hover a ribbon for details; click a name to open its profile.
The largest relationship is ATLAS COPCO AIRPOWER N V → AC COMPRESSORS LLC with 666 shipments, followed by TEST RITE INTERNATIONAL CO LTD → THE HILLMAN GROUP INC (580) and ZYH YIN ENTERPRISE CO LTD → GRABBER CONSTRUCTION PRODUCTS INC (566).
Top U.S. importers
| Importer | Shipments |
|---|---|
| THE HILLMAN GROUP | 1,638 |
| THE HILLMAN GROUP INC | 1,104 |
| SUPPLY TECHNOLOGIES LLC | 828 |
| MULTITECH INDUSTRIES INC | 710 |
| AC COMPRESSORS LLC | 702 |
Top suppliers
| Supplier | Shipments |
|---|---|
| AUGUST AMBER HK LIMITED | 6,174 |
| ZYH YIN ENTERPRISE CO LTD | 2,067 |
| HANGZHOU WELL TRANS SUPPLY CHAIN MA | 1,121 |
| ATLAS COPCO AIRPOWER N V | 1,039 |
| TEST RITE INTERNATIONAL CO LTD | 1,012 |
Origin countries
| Country | Shipments |
|---|---|
| CHINA | 28,796 |
| TAIWAN | 17,287 |
| GERMANY | 3,455 |
| REPUBLIC OF KOREA | 2,162 |
| BELGIUM | 1,844 |
| VIET NAM | 1,298 |
| HONG KONG | 968 |
| JAPAN | 798 |
| INDIA | 774 |
| THAILAND | 750 |
Ports of unlading
| U.S. port | Shipments |
|---|---|
| LOS ANGELES, CA | 17,747 |
| LONG BEACH, CA | 15,078 |
| NEW YORK/NEWARK AREA, NEWARK, NJ | 7,231 |
| TACOMA, WA | 5,092 |
| CHARLESTON, SC | 4,229 |
| SAVANNAH, GA | 2,770 |
| HOUSTON, TX | 2,519 |
| SEATTLE, WA | 1,613 |
| NORFOLK, VA | 1,358 |
| OAKLAND, CA | 1,229 |
Harmonized System classification
HS code 731813 — Screw hooks and screw rings. 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 Screw hooks and screw rings
Who imports Screw hooks and screw rings (HS 731813)?
Based on U.S. Customs bill-of-lading records, the top U.S. importers of Screw hooks and screw rings include THE HILLMAN GROUP, THE HILLMAN GROUP INC, SUPPLY TECHNOLOGIES LLC, MULTITECH INDUSTRIES INC, and AC COMPRESSORS LLC.
Who is the largest U.S. importer of Screw hooks and screw rings?
THE HILLMAN GROUP is the largest U.S. importer of Screw hooks and screw rings (HS 731813), with 1,638 bill-of-lading shipment records.
Who are the top suppliers of Screw hooks and screw rings?
Leading suppliers shipping Screw hooks and screw rings (HS 731813) to the U.S. include AUGUST AMBER HK LIMITED, ZYH YIN ENTERPRISE CO LTD, HANGZHOU WELL TRANS SUPPLY CHAIN MA, ATLAS COPCO AIRPOWER N V, and TEST RITE INTERNATIONAL CO LTD.
How many U.S. shipments of Screw hooks and screw rings are there?
ImportDoor has 62,108 U.S. import shipment records under HS code 731813, spanning Jun 2018 to Jul 2026.
Where is Screw hooks and screw rings imported from?
Screw hooks and screw rings is imported into the U.S. primarily from CHINA, TAIWAN, and GERMANY.
Find Screw hooks and screw rings importers & suppliers
Get the complete list of U.S. importers and global suppliers for HS 731813, with contact details and container-level shipment records on ImportDoor.
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