MGMN300-J Carbide Grooving Inserts 3.0mm PVD Coated for Lathe Cut-Off 10Pcs

Key features

• PERFECT FIT FOR 3.0MM HOLDERS: Premium MGMN300-J indexable carbide grooving inserts engineered to seat precisely in standard MGEHR/L (external) and MGIVR/L (internal) grooving cut-off tool holders.
• ADVANCED PVD COATING: Finished with a high-performance Physical Vapor Deposition (PVD) layer for excellent thermal stability, low friction, and significantly extended tool life under heavy workloads.
• J CHIPBREAKER GEOMETRY: Features a razor-sharp cutting edge combined with an aggressive chipbreaker groove that curls and snaps chips tightly, preventing bird-nesting and delivering a clean finish in steel and stainless steel.
• PRECISE 3.0MM WIDTH: Engineered with an exact 3.0mm cutting width, making these double-sided indexable blades ideal for grooving, profiling, and parting-off operations on CNC or manual lathes.
• MULTI-MATERIAL APPLICATION: A tough tungsten carbide substrate paired with a heat-resistant PVD coating delivers smooth, efficient performance on stainless steel, alloy steel, mild steel, and cast iron.

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