A LNMU03 25×200 4T EXN03R is a high-feed indexable milling cutter (end mill type) used in CNC and manual milling machines for heavy-duty machining and fast material removal.
- LNMU03 → Insert type (uses LNMU0303 carbide inserts)
- 25 → Cutter diameter (25 mm)
- 200 → Overall length (200 mm)
- 4T → 4 teeth / 4 insert pockets
- EXN03R → Series/type of high-feed milling cutter
👉 This is a replaceable insert tool, not solid—so inserts can be changed when worn.
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