ISO 26623-1

BIG CAPTO is a dual contact modular turning and rotating tool holder system that strengthens the performance of machine tools. The BIG CAPTO modular tooling system offers better efficiency, material selection and heat treatment.

* The trademark CAPTO is licensed from Sandvik Coromant


Excellent Repeatability & Runout

High repeatability is achieved due to the perfect fit of the polygon taper to drive spindle rotation. The combination of a self-centering 1:20 taper and the long taper edge ensures stable runout accuracy.


Wider Range of Rotating BIG CAPTO Tooling than Any Other Provider

As a licensed manufacturer since 2002, BIG Daishowa through BIG KAISER offers a wider range of rotating BIG CAPTO tooling than any other provider. Extended reach collet chucks feature the world-class New Baby Collet system with less than 3 microns guaranteed accuracy at 4xD. Other solutions with BIG CAPTO include the MEGA ER GRIP, HYDRAULIC CHUCKS, the MEGA E Chuck system, MEGA DOUBLE POWER Chucks for the highest rigidity while end milling, MEGA MICRO CHUCKS with the world’s smallest collet system for reaching into tight areas, and many more.