Achieve high concentricity and maximum penetration rates during heavy drilling sequences with industrial-grade Indexable Drill Holders (VDI U-drill blocks). Manufactured in accordance with strict DIN 69880 standards, these heavy-duty toolholders feature a precision-ground VDI serrated shank engineered for seamless, repeatable mounting onto CNC lathe turrets. Designed with a cylindrical clamping bore, heavy-duty side set screws, and integrated internal coolant passages, they provide maximum structural rigidity and targeted coolant delivery directly to the cutting edge, expanding tool life and accelerating chip evacuation.
