M12 Carriage Bolt with Square Neck from China

Galvanized steel carriage bolt (12 mm diameter) with square neck under rounded head, nuts, and flat washers for timber framing and machinery. HTS 7318.15.20.95 covers 'other' bolts ≥6 mm in mixed shipments. Prevents spinning during tightening.

Duty Rate — China → United States

35%

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Galvanizing requires surface treatment declaration; clear coats may affect steel classification

Measure square neck precisely—altered designs could reclassify as 'other screws'

Use commercial invoices specifying 'entered/exported same shipment' for kits