BEYOND MGEVL2020-4T12 Left-Hand External Grooving & Face Turning Toolholder | 20x20mm (3/4" x 3/4") Imperial-Equivalent Square Shank CNC Lathe Cutter Body for MGMN400 MRMN400 Indexable Carbide Inserts 117.5deg 8mm corner radius and negative

8mm corner radius and negative geometry

heat-resistant TiAlN base layer that features an ultra-smooth surface topography to prevent chemical welding and alloy adhesion

Micro-Vibration / Chatter: Ensure the clamping length inside your turret sleeve block is at least 3x the diameter (~96mm)

⭐⭐⭐⭐⭐ "Best for Finishing" - Liam J

K - 75° Approach Lead Angle (Reduces radial deflection forces for highly stable micro-profiling)

BEYOND MGEVL2020-4T12 Left-Hand External Grooving & Face Turning Toolholder | 20x20mm (3/4" x 3/4") Imperial-Equivalent Square Shank CNC Lathe Cutter Body for MGMN400 MRMN400 Indexable Carbide Inserts 117.5deg 8mm corner radius and negativeBEYOND MGEVL2020 4T12 External Grooving & Face Turning Toolholder 20x20mm (3 4" Square Shank) Left Hand Monolithic CNC Lathe Body for MGMN400 MRMN400 Indexable Carbide Inserts CRITICAL EXCLUSION NOTICE: The indexable carbide grooving, parting off, or round nose profiling insert (Model: MGMN400 MRMN400 with 4. 0mm cutting width) shown mounted inside the toolholder jaw pocket seat within our product photography, dimensional blueprints, or setup diagrams