Loading...
HSChapter 73
U.S. imports of cotters and cotter pins of iron or steel (HS 731824) totaled $4.8M in April 2026, traded with 38 countries.
Last updated: April 2026 dataCotters and cotter pins of iron or steel — split-pin and solid-taper fasteners used to secure axles, clevis pins, and shaft assemblies in agricultural, automotive, and industrial machinery — are classified under a single 10-digit line (7318240000). Japan leads US imports in this heading, a reflection of Japan's deep integration into precision machinery and automotive supply chains, with China, Germany, Mexico, and Czech Republic also supplying the market. The narrow product scope and single tariff line mean that correct heading classification hinges on distinguishing cotters and cotter pins from other non-threaded fasteners classified under 731829.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Cotter pins (731824) are mechanical fasteners inserted through a hole in a bolt, axle, or shaft and bent to lock a component in place — they function as retention devices in machinery. Safety pins, dressmakers' pins, and push pins (731940) are entirely different articles used for fabric, packaging, or office applications. The end-use and mechanical function are the primary classification criteria; a cotter pin used in a wheel hub assembly is unambiguously 731824.
Mexico is among the top suppliers of cotter pins to the US market, and goods qualifying as originating under USMCA rules of origin may enter duty-free, providing a cost advantage over non-FTA sources. Importers should verify that Mexican-origin cotter pins meet the applicable USMCA tariff shift or regional value content requirement and obtain a valid certificate or certification of origin to claim the preference.
Supplier Network
Get discovered by U.S. importers searching for HS 731824 — Cotters and Cotter Pins of Iron or Steel. Be the first supplier listed.
Monthly import values over time