Internal grinders

Internal grinders for metal and cermet finishing

NO PGA · STANDARD CUSTOMS PROCEDURE

HSN 8460 29 20 (Internal grinders) is not covered by a Bureau of Indian Standards Quality Control Order and carries no Partner Government Agency clearance requirement at the tariff-line level. Import follows the standard customs procedure: Importer-Exporter Code (IEC), bill of entry, commercial invoice, packing list. Other machine-tools under Chapter 84 — particularly gear grinding or gear finishing machines falling under heading 8461 — may carry distinct classification treatment, making accurate tariff determination the principal importer risk.

No partner government agency notification covers this tariff line.

A word of counsel

The boundary between heading 8460 and heading 8461 (gear cutting, gear grinding, and gear finishing machines) is a known misclassification trap: a machine that primarily performs gear grinding may be re-classified by customs to heading 8461, with retrospective duty implications. Similarly, numerically controlled variants of internal grinders may attract separate subheading treatment within heading 8460 itself. Confirm the machine's primary function and control specification against the customs tariff before filing the bill of entry.

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Frequently asked

Does HSN 8460 29 20 require any pre-import registration?

A valid Importer-Exporter Code is required for any commercial import; no product-specific registration applies to this tariff line.

What changes if the internal grinder is numerically controlled?

Numerically controlled grinding machines are classified under a separate subheading within heading 8460, and customs may re-classify the machine accordingly, triggering retrospective duty recovery at the correct rate.

Last verified against gazette notifications: 2026-05-16. Source: BIS / DGFT / Indian Customs CUSDATA.