M6 x 1.0 Hex Head Cap Screw from Mexico

A fully threaded hex head cap screw made of carbon steel, measuring M6 with 1.0mm pitch, used for general fastening in machinery and construction. It falls under HTS 7318.19.00.00 as a threaded article of iron or steel, distinct from wood screws or machine screws with specific exclusions. The hex head allows for wrench tightening, providing high torque resistance.

Duty Rate — Mexico → United States

15.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Verify thread pitch and dimensions match declared specs to avoid misclassification as machine screws under 7318.15

Provide mill test certificates confirming carbon steel composition for duty-free eligibility under certain trade agreements

Label packaging clearly with size, material, and quantity to prevent customs holds on undervaluation claims