6mm Hex Head Self-Drilling Tek Screw

Heavy-duty self-drilling screw with 6mm+ diameter threads and a hex head, featuring a drill point for penetrating metal up to 3mm thick without pre-drilling. Classified under HTS 7318.14.50.80 for self-tapping screws of iron/steel with large shank diameters, 'other' type.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China8.6%+35.0%43.6%
🇲🇽Mexico8.6%+10.0%18.6%
🇨🇦Canada8.6%+10.0%18.6%
🇩🇪Germany8.6%+10.0%18.6%
🇯🇵Japan8.6%+10.0%18.6%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7318.14Same rate: 43.6%

If shank/thread diameter under 6mm

Subheading splits by size; smaller self-tappers have different statistical reporting.

8205.51.30Lower: 38.7% vs 43.6%

If imported as complete drill bits with threading

Tools with integral drill points may classify under handtools rather than fasteners.

7318.19.00.00Lower: 40.7% vs 43.6%

If for industrial machine-use variants

End-use as machinery parts shifts to 'other' threaded articles subheading.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide engineering drawings showing drill point and thread specs to distinguish from machine screws

Ensure Customs declaration matches invoice descriptions exactly to prevent holds on large shipments