Plastic Fastening Self-Tappers #4 from Mexico
#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 — Mexico → United States
16.2%
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
• Specify plastic-compatible thread pitch in technical specs
• Test insertion torque data supports end-use claims
• Separate from metal-specific screws in mixed shipments