No. 6 Sheet Metal Self-Tappers
No. 6 sheet metal self-tappers with approximately 3.5 mm diameter shanks, specifically for fastening sheet metal panels without pre-drilling. Their sharp threads and hardened steel design make them ideal for HVAC ductwork and metal framing.
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 designed for wood and require pilot holes
Wood screws are classified separately from self-tapping screws.
If the screws are used with nuts or have a machine screw thread
Bolts and machine screws are classified under 7318.15.00.
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
• Classify these screws under 7318.14.00 as self-tapping screws, not under 7318.12.00 for wood screws
• Provide the shank diameter and material composition to the CBSA
• Consider the end-use application to ensure correct classification
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. The stainless steel construction provides corrosion resistance, and the self-tapping design cuts threads during installation.
4.2mm Hex Washer Head Self-Tapper
4.2 mm hex washer head self-tapper in stainless steel, featuring an integrated washer head for load distribution. Used in outdoor equipment assembly where corrosion resistance and secure fastening are essential.
Bugle Head Drywall Self-Tapper 7mm
A 7 mm bugle head self-tapping screw for securing drywall to metal studs, countersinking smoothly without tearing the paper. Its larger diameter (over 6 mm) provides a stronger hold in heavier applications. This product falls under 7318.14.00 as a self-tapping screw of iron or steel, with a shank diameter of 7 mm.
Chipboard Self-Tapping Screws #8 x 1/2"
Chipboard self-tapping screws, #8 size (4 mm diameter), designed with double threads for secure grip in particle board and MDF. Their coarse lower threads cut into wood-based materials without pre-drilling, making them essential for furniture and cabinet assembly.
Coach Screw Self-Tapper 1/4 Inch (6.35mm)
A 1/4 inch (6.35 mm) coach style self-tapping screw for heavy timber, providing a secure hold without pre-drilling. Its larger diameter and aggressive threads are designed for demanding applications. Classified under 7318.14.00 as a self-tapping screw of iron or steel, with a shank diameter over 6 mm.
Construction Grade Self-Tapping Tek 10G
A 10 gauge (approximately 7.5 mm) construction Tek self-tapping screw for steel purlins, designed to drill its own pilot hole and tap threads in one operation. Its larger diameter provides a strong hold in structural applications. This product falls under 7318.14.00 as a self-tapping screw of iron or steel, with a shank diameter over 6 mm.