M20x2.5 Socket Cap Screw A4-80 from Canada
A4-80 (316 SS high strength) socket cap screw M20x2.5 fine thread, 20mm diameter, for high load marine applications. HTS 7318.15.80.30 stainless socket screws large diameter. Offshore platforms and shipbuilding.
Duty Rate — Canada → United States
58.5%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• A4-80 strength markings must appear on product/invoice for verification
• Marine certification supports but doesn't change HTS classification
• Fine pitch requires thread pitch documentation