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Our tool assembly/disassembly products make the most challenging maneuvers and adjustments much easier, saving time and stress during tooling setup.

Cleaners

Our cleaners make it easy to get your spindle and tooling in the best condition to perform exactly as desired over and over.

Rough Boring Heads

Rough boring heads and twin boring tools that are designed for ultimate performance and versatility. Small, medium and large diameter systems are available.

Nuts

BIG DAISHOWA offers a wide variety of high-precision nuts for many types of tool holders and applications.

Collets

BIG DAISHOWA offers a variety of tool collets, available in 0.1mm diameter increments to suit all cutting tool shanks with maximum accuracy.

Win a KAISER Boring Kit

Enter for a chance to win a KAISER boring kit.

Video Gallery

Watch our product performance videos here.

BIG DAISHOWA Documentation

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

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.

Who We Are

BIG DAISHOWA is an industrial tooling company located in Hoffman Estates, IL. We are a global supplier of precision metal cutting tools and machine tool accessories.

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Customer Service

Get the help you need with our customer service resources. From sales and marketing team contact information to chat support, request forms, and more.

Testimonials

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

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.

Why BIG DAISHOWA

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