Galvanized Lock Wire 0.7mm High Carbon
High-tensile galvanized wire with ≥0.6% carbon and 0.7mm diameter, used in aerospace and military for safety wiring to secure bolts and fasteners. HTS 7217.20.45.30 applies due to zinc coating on nonalloy high-carbon round wire under 1.0mm. Provides break strength and corrosion protection critical for lock wire applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbon content below 0.6%
Lower carbon wire in same size/coating moves to preceding subheading with different rates.
If alloy steel (e.g., chromium addition)
Any alloying per chapter note (e) shifts from nonalloy 7217 to alloy 7229 wire.
If packaged as 'safety wire kits' for retail
Retail tool sets containing wire classified by principal use rather than material form.
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Import Tips & Compliance
• Aerospace customers require traceability - maintain full mill certification chain from melt to coating
• Zinc coating must be 'plated or coated' per note, not just 'galvanized' terminology
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