SS304 #6 x 1/2" Self-Piercing Screw
SS304 #6 x 1/2" self-piercing screw, 3.5 mm diameter, used for auto trim panels, drilling through metal without a pilot hole. This self-tapping screw in stainless steel falls under tariff item 7318.14.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | +50.0% | 50% |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the screws are not self-tapping
Other screws with threads are classified under this item.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the screws are classified as self-tapping, not self-drilling; self-piercing screws that tap threads are included here
• Declare the 304 stainless steel grade and dimensions on the customs invoice
• Check if the screws meet any automotive industry specifications for corrosion resistance
Related Products under Tariff item 7318.14.00
3.5mm Pan Head Stainless Self-Tapping Screw
3.5 mm pan head stainless steel self-tapping screw with a low-profile head, used in appliance manufacturing and electronics. Its self-tapping design and sub-6 mm diameter classify it under tariff item 7318.14.00.
4.2mm Hex Washer Head Self-Tapper
4.2 mm hex washer head self-tapper in stainless steel, featuring an integrated washer head for outdoor equipment assembly. Its self-tapping function and sub-6 mm diameter place it under tariff item 7318.14.00.
Chipboard Self-Tapping Screws #8 x 1/2"
Chipboard self-tapping screws, size #8 (4 mm diameter), with double-thread design and coarse lower threads for secure grip in particle board and MDF. These screws create their own mating threads upon installation, qualifying them as self-tapping screws under tariff item 7318.14.00.
Drywall Self-Tappers #6 x 1"
Drywall self-tapping screws, size #6 (3.5 mm diameter), with bugle heads designed for direct fastening into steel studs without pre-drilling. Their self-tapping nature and sub-6 mm diameter place them under tariff item 7318.14.00.
Hex Washer Head Self-Tappers #10
Hex washer head self-tapping screws, size #10 (4.8 mm diameter), combining a screw, washer, and hex drive in one piece. These are used in roofing and outdoor metal applications, and their self-tapping feature with a diameter under 6 mm classifies them under tariff item 7318.14.00.
M3 Self-Tapping Steel Screws
M3 self-tapping steel screws with a 3 mm thread diameter, made of iron or steel, designed to create their own threads in pre-drilled holes. Their small diameter and self-tapping function place them under tariff item 7318.14.00.