Hydraulic chucks from BIG DAISHOWA are ideal for machining processes that require high accuracy such, as drills, reamers, ball mills, end mills, diamond reamers and grinding tools. Choose from standard hydraulic chucks; super-slim for precision finishing in confined areas; jet-through for finishing applications that would benefit from improved coolant delivery; and the ultra-precision type with runout accuracy of 1 micron at 4xD.