Sherardized Coach Screw 7/16 Inch x 5 Inch from Canada
Zinc-coated coach screw using sherardizing process for superior corrosion protection in harsh environments. Square head design counters torque in dense hardwoods. Classified as coach screws under HTS 7318.11.00.00.
Duty Rate — Canada → United States
62.5%
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
• Document sherardizing per ASTM B689 to validate coating thickness claims
• Separate from hot-dip galvanized in inventory to prevent cross-contamination claims
• Include torque specs in technical data for end-user liability protection