Plastic Fastening Self-Tappers #4 from Canada
#4 (2.8 mm) self-tappers with fine threads optimized for thermoplastics without cracking material. HTS 7318.14.10 as steel self-tapping screws under 6 mm. Essential for toy assembly and plastic enclosures.
Duty Rate — Canada → United States
56.2%
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
• Specify plastic-compatible thread pitch in technical specs
• Test insertion torque data supports end-use claims
• Separate from metal-specific screws in mixed shipments