Stahli USA DLM 734 CNC Lapping Machine

Stahli DLM 734 CNC lapping machine uses numerical control for precision finishing of small metal and cermet components like valve seats and fuel injector parts. HTS 8460.40.40 classification for NC lapping machines using polishing products on metal surfaces. Achieves tolerances under 1 micron flatness.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina4.4%+35.0%39.4%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico4.4%+10.0%14.4%
๐Ÿ‡จ๐Ÿ‡ฆCanada4.4%+10.0%14.4%
๐Ÿ‡ฉ๐Ÿ‡ชGermany4.4%+10.0%14.4%
๐Ÿ‡ฏ๐Ÿ‡ตJapan4.4%+10.0%14.4%

More Specific Codes

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Alternative Classifications

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

8460.40Same rate: 39.4%

If not numerically controlled equivalent model

Statistical break distinguishes NC from conventional lapping machines.

8479.10.00Lower: 35% vs 39.4%

If dedicated to semiconductor boule lapping

Crystal processing equipment for semiconductor manufacturing specifically provided for.

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

โ€ข Document exclusion of gear finishing capability to maintain 8460 classification vs. 8461

โ€ข Provide power consumption specs as NC machines trigger electrical safety certifications

โ€ข Separate import of diamond lapping plates under 6804.21 to optimize duties

Related Products under HTS 8460.40.40

Haas CNC Lapping Machine TL-1

The Haas CNC Lapping Machine TL-1 is a numerically controlled precision lapping system designed for finishing flat surfaces on metal parts and cermets using abrasive slurries. It falls under HTS 8460.40.40 as a numerically controlled lapping machine for metal or cermets, distinct from gear finishing machines in heading 8461. This equipment ensures ultra-flat surfaces critical for semiconductor wafers and precision components.

Okamoto ACC-1224DXL CNC Lapping System

Okamoto's ACC-1224DXL is a numerically controlled double-sided lapping machine for achieving mirror finishes on metal and cermet workpieces. Classified under HTS 8460.40.40 for its NC control and lapping function on metal/cermets using polishing products. Essential for semiconductor wafer processing requiring atomic-level flatness.

Peter Wolters AC 2000 CNC Double-Disc Lapping Machine

The Peter Wolters AC 2000 features numerical control for simultaneous double-sided lapping of metal and cermet components to nanometer tolerances. HTS 8460.40.40 applies to this NC lapping machine using abrasives for finishing metal surfaces. Widely used in preparing bearing surfaces and semiconductor substrates.

Lambatape LSF 6000 CNC Lapping Center

Lambatape LSF 6000 is a numerically controlled lapping center for high-volume production finishing of automotive and aerospace metal parts using diamond abrasives. Falls under HTS 8460.40.40 as NC lapping equipment for metal/cermets, excluding gear finishing. Provides consistent flatness for sealing surfaces.