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BIG DAISHOWA manufactures high-performance, high-tolerance tooling with a personal commitment to helping customers with truly efficient solutions.

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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.

BIG-PLUS Spindle Rebuilder

A list of North American licensed and authorized BIG-PLUS spindle rebuilders.

BIG DAISHOWA News

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

BIG CAPTO

The BIG CAPTO tooling system is a dual contact modular turning and rotating tool holder that strengthens the performance of machine tools.

BIG KAISER Boring Tool App

A smartphone and tablet app to enhance the user-experience when assembling and running cutting tools while providing extremely precise cutting data.

BIG-PLUS Spindle System

BIG-PLUS tool holders are supported on the flange face and taper providing excellent rigidity. It is interchangeable with existing machines and tool holders.

REACH Compliance Request

BIG DAISHOWA Inc. does not offer EU Reach certification. Our company in the United States supplies and is responsible for the North American market only.

Conflict Minerals Declaration

Based on guarantees of non-use of Conflict Minerals obtained from our material suppliers, we hereby declare that, to the best of our knowledge, the products supplied by BIG DAISHOWA have been deemed to be free of any source materials originating from the Democratic Republic of the Congo (DRC), or an adjoining country.

Animal Derivatives Statement

BIG DAISHOWA Inc. and all sub-suppliers do not use any animal derivatives in the manufacturing of our products.

Uyghur Forced Labor Prevention Act Statement

This memo is in response to the Uyghur Forced Labor Prevention Act signed into law by President Biden on December 16, 2021.

California Proposition 65 warning label.

California Proposition 65 Notification Letter

With respect to Prop65, our hardmetal and tooling/workholding products contain cobalt and nickel which are known to the State of California to cause cancer.

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.

Testimonials

We often emphasize superior tooling, improved tool performance, and our exceptionally high standards. Find out what people are saying about BIG DAISHOWA!