- LNMU03: Refers to the insert type (a small, double-sided carbide insert commonly used for milling).
- 25 × 150 mm:
- 25 mm = cutter diameter
- 150 mm = overall length (usually a long shank/extension for reach)
Main uses
- Face milling
Used to machine flat surfaces on materials like mild steel, alloy steel, and sometimes cast iron. - Shoulder milling
Can produce 90° shoulders depending on cutter geometry. - Roughing to semi-finishing
Good for moderate material removal; not typically for ultra-fine finishing. - Slotting (light duty)
Possible, but not ideal for deep or heavy slots due to chip evacuation limits.







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