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Our CNC workholding solutions provide flexibility and functionality for 5-axis and 5-sided machining, maximizing benefits through efficient workholding.

Frequently Asked Questions

Find answers to some of the most frequently asked questions about our products and services. We have organized the questions and answers into different categories to make it easy for you to find what you're looking for.

Tips & tricks

These tips are intended to give you a better understanding of what these products can do, how to best use them and how to get the most out of them.

BIG DAISHOWA News

Our News section includes new product announcements & press releases so that you can stay up-to-date with BIG DAISHOWA.

Clamping Knobs, Balls and Pallets

UNILOCK clamping knobs and pallets work together to provide superior workholding capability.

BIG DAISHOWA Documentation

BIG DAISHOWA's Document Library includes the latest product information available for your download.

BIG DAISHOWA Products

Products such as fine/rough boring heads, tool holders cutting tools, measuring equipment, and workholding adhere to the highest quality standards.

Round Chucks

Round chucks come in diameters from Ø 90 - 176 mm (Ø 3.543" - 6.929") and body styles to fit a wide variety of applications.

Blog

To keep up with current events, news bites, and quick tips, check in with our blog.

Video Gallery

Watch our product performance videos here.

Accessories & Spare Parts

Air Fittings, repair components and other accessories. These items are required for proper operation of UNILOCK chucks.

BIG DAISHOWA—Americas

BIG DAISHOWA is a premium industrial tooling company, whose mission is to deliver the best CNC tool holders, precision boring tools, high-performance cutting tools, tool presetters and workholding solutions.