BEYOND SEL1212H16 Left-Hand Threading Toolholder | 12mm Square Shank (0.472" Imperial Sizing) CNC Lathe Swiss Turning Bar for 16IR & 16IRM Indexable Carbide Inserts 25x25 Shank A: Choose -HR (Heavy Roughing)

A: Choose -HR (Heavy Roughing) when your depth of cut is large or you are dealing with very inconsistent casting skins

4340) precision turning

the CNMG1906 series offers the unmatched stability needed for perfect surface integrity on massive components

A1: It depends on your component profile geometry

BEYOND SEL1212H16 Left-Hand Threading Toolholder | 12mm Square Shank (0.472" Imperial Sizing) CNC Lathe Swiss Turning Bar for 16IR & 16IRM Indexable Carbide Inserts 25x25 Shank A: Choose -HR (Heavy Roughing)BEYOND SEL1212H16 Left Hand External Threading Toolholder 12mm Square Shank (0. 472" Imperial Sizing) CNC Lathe Swiss Turning Bar Optimized for 16IR & 16IRM Indexable Carbide Inserts CRITICAL EXCLUSION NOTICE: Any premium 16IR, 16IRM, or standard internal right hand profile carbide indexable threading inserts, full profile teeth, or chipbreaking geometries illustrated within our toolholder product photos, assembly blueprints, or tooling application