# HS code 8460.23: Other grinding machines, other cylindrical grinding machines, numerically controlled > HS code 8460.23 covers other grinding machines, other cylindrical grinding machines, numerically controlled. It sits in heading 84.60 (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 84.61) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). Other goods of heading 84.60 are classified under 8460.12 (flat-surface grinding machines, numerically controlled), 8460.19 (flat-surface grinding machines, other), 8460.22 (other grinding machines, centreless grinding machines, numerically controlled), 8460.24 (other grinding machines, other, numerically controlled) or 5 others. National tariff lines under 8460.23 are live on border.bot for the United States (4 lines, also used by 1 other country). Source: https://border.bot/hs-codes/846023 Last updated: 11 October 2026 [HS codes](https://border.bot/hs-codes) / [Chapter 84](https://border.bot/hs-codes/84) / [84.60](https://border.bot/hs-codes/8460) / [8460.23](https://border.bot/hs-codes/846023) ## Key facts - HS code: 8460.23 - Covers: Other grinding machines, other cylindrical grinding machines, numerically controlled - Heading: [84.60: 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 84.61](https://border.bot/hs-codes/8460) - Chapter: [84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof](https://border.bot/hs-codes/84) - Edition: HS2022 - Duty in the United States: [See its 4 lines](https://border.bot/countries/united-states/hs-codes/846023) ## What this code covers HS code 8460.23 covers other grinding machines, other cylindrical grinding machines, numerically controlled. The legal text of the subheading is “Other grinding machines: Other cylindrical grinding machines, numerically controlled”, read under “Other grinding machines”, in HS2022. ## What it doesn’t cover Other goods of heading 84.60 are classified under 8460.12 (flat-surface grinding machines, numerically controlled), 8460.19 (flat-surface grinding machines, other), 8460.22 (other grinding machines, centreless grinding machines, numerically controlled), 8460.24 (other grinding machines, other, numerically controlled) or 5 others. - [8460.12](https://border.bot/hs-codes/846012) Flat-surface grinding machines: Numerically controlled - [8460.19](https://border.bot/hs-codes/846019) Flat-surface grinding machines: Other - [8460.22](https://border.bot/hs-codes/846022) Other grinding machines: Centreless grinding machines, numerically controlled - [8460.24](https://border.bot/hs-codes/846024) Other grinding machines: Other, numerically controlled - [8460.29](https://border.bot/hs-codes/846029) Other grinding machines: Other - [8460.31](https://border.bot/hs-codes/846031) Sharpening (tool or cutter grinding) machines: Numerically controlled - [8460.39](https://border.bot/hs-codes/846039) Sharpening (tool or cutter grinding) machines: Other - [8460.40](https://border.bot/hs-codes/846040) Honing or lapping machines - [8460.90](https://border.bot/hs-codes/846090) Other ## How it is structured 8460.23 is a six-digit subheading. Its first two digits, 84, are the chapter; the first four, 8460, are heading 84.60; the last two, 23, identify the subheading within the heading. Countries add their own digits after these six for their national tariff lines. - Chapter 84: Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof - Heading 84.60: 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 84.61 - Within the heading: Other grinding machines - Subheading 8460.23: Other cylindrical grinding machines, numerically controlled ## In other countries National tariff lines under 8460.23 are live on border.bot for the United States (4 lines, also used by 1 other country). - [United States](https://border.bot/countries/united-states/hs-codes/846023): 4 lines, used by 1 other country - Previous subheading: [8460.22](https://border.bot/hs-codes/846022) Other grinding machines: Centreless grinding machines, numerically controlled - Next subheading: [8460.24](https://border.bot/hs-codes/846024) Other grinding machines: Other, numerically controlled ## Frequently asked questions ### What does HS code 8460.23 cover? HS code 8460.23 covers other grinding machines, other cylindrical grinding machines, numerically controlled. ### Which heading and chapter is HS code 8460.23 in? HS code 8460.23 is in heading 84.60 (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 84.61) in chapter 84 (nuclear reactors, boilers, machinery and mechanical appliances; parts thereof). ### Where are goods of heading 84.60 classified when 8460.23 doesn’t fit? Other goods of heading 84.60 are classified under 8460.12 (flat-surface grinding machines, numerically controlled), 8460.19 (flat-surface grinding machines, other), 8460.22 (other grinding machines, centreless grinding machines, numerically controlled), 8460.24 (other grinding machines, other, numerically controlled) or 5 others. ### Which countries’ tariffs list national lines under HS code 8460.23? National tariff lines under 8460.23 are live on border.bot for the United States (4 lines, also used by 1 other country). ## Sources and updates The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026. This page was last updated on 11 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Machine-readable: https://border.bot/hs-codes/846023.json