Supplier's Category: All Precision Grinding & Honing: Fine abrasive finishing for tight tolerances and surface quality
Precision grinding and honing are abrasive finishing processes that achieve tolerances and surface finishes tighter than machining alone can reliably deliver. They’re typically the last dimensional operation on a part before it’s considered finished.
This is almost always a secondary, finishing-stage operation — it follows machining, casting, or forging once a part is close to final size but needs tighter tolerance or a specific surface finish.
- After hardening: grinding to correct the dimensional movement heat treatment causes
- Bore finishing: honing to achieve precise diameter and surface texture in cylindrical bores
- Final tolerance pass: grinding features that machining alone can’t hold to spec
Related terms: surface grinding, cylindrical grinding, centerless grinding, honing, lapping, superfinishing, surface roughness (Ra) control, dimensional tolerance grinding, hard turning alternative
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What to verify before specifying a grinding pass
Grinding capability varies more by part geometry than most buyers expect.
Questions to ask
- Can they hold your specified tolerance on your specific geometry, not just in general
- What surface finish (Ra) can they consistently achieve, and how is it measured
- Do they grind after your heat treatment step, or does that need to be coordinated separately