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: > Sharpening (tool or cutter grinding) machines: > Other > 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 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 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(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8460.39.00.50
Automatic Tap Grinder for Machine Taps
Fully automatic machine for multi-flute grinding on machine taps for threading. Under HTS 8460.39.0050 as cutter grinding for metal tools. High throughput for tool rooms.
Carbide Insert Sharpening Machine
Precision grinder for reshaping and sharpening indexable carbide inserts used in milling and turning operations. HTS 8460.39.0050 applies as it finishes cermet tools via polishing products and abrasives. Ensures extended tool life in high-volume metal machining.
Benchtop Cutter Grinder for Slitting Saws
Compact grinder for sharpening thin slitting saw blades used in metal slotting. Classifies in HTS 8460.39.0050 as other tool sharpening machines employing grinding stones. Suited for fabrication shops.
CNC Tool Grinder for End Mills
A computer numerically controlled machine designed to sharpen and finish the cutting edges of end mills used in metalworking. It falls under HTS 8460.39.0050 as a sharpening machine for tools, utilizing grinding stones and abrasives to precisely deburr and hone carbide or high-speed steel cutters. This equipment is essential for maintaining tool precision in manufacturing.
Manual Cutter Grinder for Drill Bits
A benchtop manual machine for sharpening high-speed steel drill bits by grinding flutes and points to restore cutting performance. Classified under HTS 8460.39.0050 for non-CNC sharpening of metalworking tools using abrasive wheels. Ideal for small workshops maintaining twist drills.
Universal Tool and Cutter Grinder
Versatile machine capable of grinding various tools including reamers, taps, and slitting saws with multiple attachments. Falls under HTS 8460.39.0050 for other sharpening machines using grinding stones on metal tools. Supports diverse shop floor tool maintenance.
Wafer Edge Grinder for Semiconductor Crystal Boules
Specialized grinder for precise edge profiling and deburring silicon wafer edges post-slicing from monocrystalline boules. HTS 8460.39.0050 covers this as a tool grinding machine for semiconductor processing per statistical notes on wafer preparation. Critical for flatness in chip fabrication.
HSS Reamer Sharpening Machine
Automated sharpener for flute and margin grinding on high-speed steel hand reamers. Under HTS 8460.39.0050 for cutter grinding machines finishing metal tools with abrasives. Restores precision for hole sizing in machining.
Cermet Polishing Machine for Semiconductor Tools
Machine using polishing products to finish cermet semiconductor processing tools like plasma etch blades. HTS 8460.39.0050 includes such finishing for cermets in semiconductor contexts. Achieves mirror finishes for contamination-free operation.
Precision Hone for Carbide Semiconductor Punches
Honing machine for internal finishing of carbide punches in semiconductor die attach tools. HTS 8460.39.0050 for honing metal/cermet tools with abrasives. Ensures micron-level tolerances.