138 mm Our 138 mm round chucks easily mount in custom fixture designs, and their versatility makes them our best seller.
168 mm The ESM 168 round chuck can be used on the face of 4th and 5th-axis rotary tables, lathes, or mills where the center of rotation provides a through-hole to bury the workpiece.
MEGA ER COLLET MEGA ER collets are inspected twice (0º and 180º) at 4 times diameter to guarantee the runout accuracy.
