The lightweight Series 318 Large Diameter Boring System is designed for heavy roughing of bores for diameters up to 24.4"—and a special adapter can extend the system even further.
BIG DAISHOWA’s MEGA NEW BABY CHUCK has been delivering extreme precision for more than 20 years and is now available with up to ø1″ clamping for drills, reamers and finishing end mills with .00004″ runout accuracy.