BEYOND ZQ2020L-5 Heavy-Duty External Grooving & Parting-Off Toolholder | 20x20mm (0.787" x 0.787") Imperial-Equivalent Square Shank Left-Hand CNC Lathe Tool Body for SP500 / SP 500 Indexable Carbide Inserts WNMG060404-PMF YBC251 "抜群の面粗度と寿命 (Superb Finish & Life)"

"抜群の面粗度と寿命 (Superb Finish & Life)"

20mm CNC Turrets and Boring Sleeve Blocks: Native fit for standard 20mm metric tool block clamping ports or matching round sleeve reduction setups

Exceeding this ratio increases the risk of harmonic tool chatter and micro-deflection in small bores

Heavy CNC Lathes & VTLs: Fits directly into 32mm solid square tool clamping stations across global heavy machinery manufacturers including Mazak CyberTurn

high-rigidity screw-locking left-hand (L) internal boring bar custom-milled for deep-hole inner profiling

BEYOND ZQ2020L-5 Heavy-Duty External Grooving & Parting-Off Toolholder | 20x20mm (0.787" x 0.787") Imperial-Equivalent Square Shank Left-Hand CNC Lathe Tool Body for SP500 / SP 500 Indexable Carbide Inserts WNMG060404-PMF YBC251 "抜群の面粗度と寿命 (Superb Finish & Life)"BEYOND ZQ2020L 5 External Grooving & Parting Toolholder 20x20mm (0. 787" Square Shank) Left Hand Monolithic CNC Lathe Body for SP500 Indexable Carbide Cutoff Inserts CRITICAL EXCLUSION NOTICE: The indexable carbide grooving, parting off, or deep slot profiling insert (Model: SP500 SP 500 with 5. 0mm cutting width) shown mounted inside the toolholder jaw pocket seat within our product photography, dimensional blueprints, or setup diagrams is for