M1 x 4mm Pure Copper Micro Screws
Ultra-fine screws of refined copper (99.9% Cu) with 1mm shank for watchmaking and microelectronics. HTS 7415.33.8050 captures these miniature threaded copper items. Extreme precision for delicate assemblies.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically for watch movements
End-use in horology shifts to Chapter 91.
If micro screws >=6mm (rare)
Dimensional threshold applies universally.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Require 99%+ copper purity certificates from smelters
• Ship in anti-static packaging with ESD warnings
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