Other
Machine tools for deburring, sharpening, grinding, honing, lapping, polishing or otherwise finishing metal or cermets by means of grinding stones, abrasives or polishing products, other than gear cutting, gear grinding or gear finishing machines of heading 8461: > Honing or lapping machines: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 8460.40.80
Sunnen SV-2010 Vertical Honing Machine
The Sunnen SV-2010 is a vertical honing machine designed for precision finishing of cylindrical bores in engine blocks and other metal components using abrasive honing stones. It falls under HTS 8460.40.80 as it is specifically a honing machine for metal surfaces, not gear-related. This machine ensures tight tolerances and smooth surface finishes critical for automotive and aerospace parts.
Nagel VS Series Vertical Lapping Machine
Nagel VS series machines perform high-precision lapping of flat metal surfaces using abrasive slurries to achieve mirror finishes on precision components. Classified under HTS 8460.40.80 as a lapping machine for metal finishing outside gear operations. Ideal for hydraulic valves and sealing surfaces in industrial applications.
Honingstone HFS-2000 Horizontal Honing System
The HFS-2000 horizontal honing system uses diamond abrasives for finishing small-diameter bores in fuel injectors and hydraulic components. It qualifies under HTS 8460.40.80 for its honing function on metal surfaces. Provides consistent geometry control for high-pressure applications.
Lapmaster Wolters 36-inch Lapping-Polishing Machine
This 36-inch lapping machine from Lapmaster Wolters processes large metal plates and automotive sealing surfaces using loose abrasives for flatness control within microns. Falls under HTS 8460.40.80 as lapping equipment for metal finishing. Used in manufacturing brake discs and clutch plates.
Serdi 4.00 Rapid Hone Engine Cylinder Honer
The Serdi 4.00 uses diamond hones for quick refinishing of engine cylinders post-boring operations, achieving OEM specifications. Classified HTS 8460.40.80 as a honing machine though cylinder-specific; statistical breakout may apply. Essential for engine rebuild shops.
Kemet Lapping System 24 for Flat Components
Kemet's 24-inch lapping system finishes flat metal components like pump faces and bearings using precisely controlled abrasive slurries. Under HTS 8460.40.80 for lapping machines finishing metal surfaces. Achieves flatness to lambda/10 for precision applications.
Gehring L600 Honing Machine for Small Boores
Gehring L600 produces mirror finishes in small bores (2-30mm) for fuel systems and medical devices using multi-stone honing heads. HTS 8460.40.80 classification for precision metal honing. Servo-controlled for consistent stock removal.
Engis Hyprez Lapping Machine
Engis Hyprez machines lap automotive transmission components and sealing rings using diamond compound for sub-micron finishes. Classified under HTS 8460.40.80 as lapping equipment for metal. Single-side and double-side configurations available.
Azumi ACL-601 Vertical Honing Center
Azumi ACL-601 features automatic tool changing for high-volume production honing of transmission shafts and connecting rods. HTS 8460.40.80 for advanced honing machines finishing metal components. Integrates measurement feedback for closed-loop control.
Peter Wolters AC 380 Double-Disk Lapping Machine
Double-disk configuration simultaneously laps both sides of thin metal parts like washers and shims at high throughput. Under HTS 8460.40.80 as specialized lapping machine for metal finishing. Achieves parallel flatness to 1 lightband.
Rottler H80A CNC Honing Machine
CNC-controlled honing for diesel engine cylinders with automatic sizing and multi-stone diamond hones. Classified HTS 8460.40.80 though cylinder-specific. Touchscreen interface with bore geometry measurement.
Stahli DLM 800 Lapping Machine
Stahli DLM 800 laps large bearings, clutches, and flanges using free abrasive machining for micron-level flatness. HTS 8460.40.80 classification for heavy-duty metal lapping. Planetary motion ensures uniform stock removal.
Mitsubishi ZR Cylinder Honing Machine
Mitsubishi ZR series automates cylinder honing post-boring with servo stroke control and diamond abrasives. Falls under HTS 8460.40.80 for honing metal surfaces. Designed for high-volume automotive engine production.
CTI Supfina Lapping System
CTI Supfina systems lap fuel injector needles and valve seats using electroplated diamond tooling for ultimate precision. HTS 8460.40.80 for specialized metal lapping applications. Cleanroom compatible configurations available.
Heller HF Series Horizontal Honing Machine
Heller HF machines hone large hydraulic cylinders and compressor bores with heavy-duty construction and automatic sizing. Classified under HTS 8460.40.80 for industrial honing of oversized metal bores. Capacity up to 800mm diameter.