3/8 Inch Variable Helix End Mill 45 Degree from Canada
3/8 inch end mill featuring variable helix angles at 45 degrees, made with M42 cobalt high-speed steel containing vanadium over 0.1% and chromium. Reduces chatter during slotting operations in mold making. HTS 8207.70.3030 due to alloy content and end mill configuration.
Duty Rate — Canada → United States
15%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Chemical composition certificate from manufacturer prevents reclassification disputes
• Avoid describing as 'drill bit' - specific milling geometry determines heading
• Bulk shipments require piece count verification matching commercial invoice