Surface finish hub
Category overview and RFQ checklist.
Surface finish hubSurface finish
EDM Finish on Injection Mold Cavities
EDM is a mold making step that shows up on the part as texture or witness if not planned away.
Surface finish
Separate EDM texture from final SPI polish
EDM alone rarely equals a high gloss SPI A face without extra polish passes.
Deep ribs and sharp corners often need EDM. Call cosmetic faces that must be re polished after EDM.
Document which faces accept EDM texture versus diamond polish.
Quote checklist
What to send with CAD
Finish specs stall quotes when they live only in email threads.
Cosmetic faces list
SPI target after EDM if polish follows
Keep exploring
Related finish guides
Open siblings on the same hub path before you lock mold texture on the quote.
Color options
Appearance and resin color control.
Color optionsSPI finish chart
A1 through D3 on one page.
SPI finish chartMolding textures
MoldTech and VDI selection.
Molding texturesTexture selection
Pick a spec before steel is cut.
Texture selectionFAQ
Common questions
Does EDM replace texture?
No. It is a machining method. Texture may still be applied afterward.
Next step
Ready to attach a finish target to your upload?
NetProto quotes one hardened steel tool with piece price. Finish level still drives DFM and mold texture scope.