HS Code 7318
Screws, Bolts and Nuts
HS code 7318 covers iron or steel threaded fasteners like screws, bolts, and nuts, along with washers and rivets for mechanical and structural assembly.
4-digit Section XVFCL
HS Code 7318 — Screws, Bolts and Nuts
This is the primary code for threaded fasteners made of iron or steel, including bolts, nuts, and screws. It also covers non-threaded items like rivets and washers used in mechanical assembly.
What's included
- Self-tapping screws
- Hexagonal bolts
- Spring washers
- Cotter pins
What's excluded
- Inertia nuts for tools → use
8466(Parts specifically for machine tools are under Section XVI.)
Common examples
- M10 Grade 8.8 bolts
- Stainless steel wood screws
- Lock washers
- Pop rivets
Frequently asked questions
Are stainless steel screws covered here?
Yes, code 7318 includes threaded fasteners made of all types of steel, including stainless.
Trade & shipping notes
- Typical duty range: 0% - 12%
- Documentation: Detailed descriptions (diameter/length) are often required for customs valuation.
- Typical shipping mode: FCL
- Top exporters: China, Taiwan, Germany
- Top importers: United States, Germany, Mexico
Related HS codes
Key takeaway
The essential code for all industrial and consumer threaded and non-threaded fasteners.
Related HS codes
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