Helical Gear Form Cutter

Pre-formed cutter matching helical gear tooth profile for milling operations. Classified HTS 8466.93.75.00 for gear cutting machine tools headings 8456-8461. Produces gears for high-load transmissions.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.8%+35.0%40.8%
🇲🇽Mexico5.8%+10.0%15.8%
🇨🇦Canada5.8%+10.0%15.8%
🇩🇪Germany5.8%+10.0%15.8%
🇯🇵Japan5.8%+10.0%15.8%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8208.20.00Lower: 35% vs 40.8%

If metal removing flexible shaft tools

Flexible drive tools under Chapter 82 provisions.

8466.94Lower: 14.7% vs 40.8%

If parts for gear profile grinding machines 8465

Grinding machine heading specificity changes subheading.

8205.59.10.00Higher: 42.2% vs 40.8%

If hammer-driven form tools

Hand tool hammer provisions in Chapter 82.

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

Specify helix angle and hand (left/right) in technical descriptions

Avoid classification as circular saw via gear profile documentation

Coating disclosures mandatory; TiN coated often audited separately

Related Products under HTS 8466.93.75.00

Gear Hobbing Cutter

A precision toothed tool used in gear hobbing machines to cut involute gear teeth on cylindrical workpieces. It falls under HTS 8466.93.75.00 as a specialized part for metalworking machine tools of heading 8458 dedicated to gear cutting. The cutter's design ensures accurate tooth profiles essential for gear manufacturing.

Shaper Cutter for Gear Teeth

A rack-style cutter reciprocated in gear shaping machines to generate gear tooth profiles through linear motion. Classified under HTS 8466.93.75.00 for its principal use with gear cutting tools of headings 8456-8461. Essential for producing spur and helical gears with high precision.

Gear Shaving Cutter

A hardened helical cutter that shaves gear teeth post-hobbing for improved surface finish and accuracy. HTS 8466.93.75.00 applies as it's principally for finishing gear cutting machines in headings 8456-8461. Used in automotive and aerospace gear production.

Worm Gear Hob

Multi-threaded hob cutter specifically for generating worm gear teeth profiles. HTS 8466.93.75.00 covers its use solely with gear cutting machines of 8456-8461. Vital for speed reducers and conveyor systems.

Indexing Dividing Head for Gear Machines

Rotary dividing head with gear ratios for precise workpiece indexing during gear cutting. HTS 8466.93.75.00 for special attachments to gear metalworking machines 8456-8461. Enables accurate tooth spacing.

Spline Hobbing Tool

Specialized hob cutter designed for producing involute splines on shafts and hubs in hobbing machines. Falls under HTS 8466.93.75.00 due to its exclusive use with gear/spline cutting machine tools of headings 8456-8461. Critical for transmission and PTO applications.