Variable Helix End Mill
An end mill with variable helix angles to reduce vibration and harmonics during high-speed machining of titanium and exotics. Fits HTS 8207.70.60 as specialized other milling tools for machine-tools.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for tapping/threading
Helix taps have specific threading subheading.
If for earth/rock boring variants
Mining tools shift to rock drilling category.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Provide engineering justification for variable pitch to CBP if questioned
• Separate coatings (TiAlN) documentation for accurate valuation
Related Products under HTS 8207.70.60
T-Slot Cutter
A milling cutter for creating T-slots in machine tables, fixtures, and workholding devices. Classified under HTS 8207.70.60 as other interchangeable milling tools.
Shell Mill Arbor Tool
An arbor-mounted shell mill holder for large diameter indexable face milling operations. HTS 8207.70.60 covers such milling tool assemblies as 'other'.
Micro Diameter End Mill
Ultra-fine carbide end mills (0.1mm-1mm) for micro-machining circuits, molds, and medical devices. Fits HTS 8207.70.60 as specialized other milling tools.
High Feed Milling Cutter
Indexable high-feed milling cutter achieving high metal removal rates with shallow depths. HTS 8207.70.60 for advanced milling geometries.
Compression Router Bit for Composites
Upcut/downcut compression spiral bit for CFRP/GFRP composites in aerospace. Borderline milling tool under 8207.70.60.
Plunge Roughing End Mill
End mill capable of plunging like a drill for rough pockets. HTS 8207.70.60 as specialized milling.