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HSChapter 84
U.S. imports of machine tools for working stone, ceramics, concrete & glass (nesoi) (HS 846490) totaled $12.6M in April 2026, traded with 29 countries.
Importers of Machine Tools for Working Stone, Ceramics, Concrete & Glass (NESOI) paid $1.5M in duties in April 2026 — an effective duty rate of 12% on $12.6M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataCovering operations beyond grinding and polishing — such as cutting, splitting, and shaping — these machine tools serve the natural stone, tile, glass fabrication, and precast concrete industries. The heading divides into glass-working machines excluding grinding or polishing (8464900110) and machines for stone or like mineral materials not elsewhere specified (8464900120). Italy and Germany are the leading suppliers to the US market, with China a significant third source; Chinese-origin equipment is subject to Section 301 tariffs, making origin documentation a routine compliance step.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Heading 846420 is limited to grinding and polishing machines. Heading 846490 (NESOI) captures all other machine-tool operations on stone, ceramics, concrete, asbestos-cement, and similar mineral materials, or for cold working glass — including cutting, sawing, splitting, and shaping machines that do not fit the grinding/polishing description. If a machine performs multiple functions, classification typically follows its principal function.
Customs will look to the manufacturer's technical specification sheet, sales literature, and any CE or industry certification identifying the machine's designed workpiece. For the glass-working line (8464900110), documentation should confirm the machine is engineered for cold working glass; for the mineral-materials line (8464900120), it should identify the specific substrate — stone, ceramic, concrete, etc. A binding ruling from CBP can provide certainty when a machine is marketed for multiple substrates.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8464900120 | MACH TLS FOR WRKNG STONE OR LIKE MINRL MATRL,NESOI | $8.4M | 10.55% | $886K |
| 8464900110 | GLASS-WORKING MACH, EXC GRINDING OR POLISHING | $4.2M | 13.79% | $580K |
MACH TLS FOR WRKNG STONE OR LIKE MINRL MATRL,NESOI
GLASS-WORKING MACH, EXC GRINDING OR POLISHING
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8464900120 | MACH TLS FOR WRKNG STONE OR LIKE MINRL MATRL,NESOI | $549K |
| 8464900110 | GLASS-WORKING MACH, EXC GRINDING OR POLISHING | $312K |
MACH TLS FOR WRKNG STONE OR LIKE MINRL MATRL,NESOI
77 no
GLASS-WORKING MACH, EXC GRINDING OR POLISHING
57 no
DIGITAL PROCESSING UNITS, N.E.S.O.I.
HS 847150
PARTS & ACCESSORIES FOR ADP MACHINES & UNITS
HS 847330
PORT DIGTL AUTOMATIC DATA PROCESS MACH NOT > 10 KG
HS 847130
AUTOMATIC DATA PROCESSING STORAGE UNITS, N.E.S.O.I
HS 847170
AUTOMATIC DATA PROCESSING UNITS, N.E.S.O.I.
HS 847180
TURBOJET AND TURBOPROLLER PARTS
HS 841191
| Port | Imports | Exports | Balance |
|---|---|---|---|
| HOUSTON, TX | $3.2M | -- | -$3.2M |
| NORFOLK-NEWPORT NEWS, VA | $2.4M | -- | -$2.4M |
| NEWARK, NJ | $1.8M | -- | -$1.8M |