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SPERONI Tool Presetters measure the cutting edges of your tools to assure they precisely match job specifications and are ready to be used in the machine.

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.

ROI Calculator Dev

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.

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.

Accessories

We offer a unique line-up of economical accessories designed to optimize your productivity and help you operate at peak efficiency.

Straight Collets

BIG DAISHOWA offers straight collets for clamping smaller diameter cylindrical tool shanks, providing coolant through the tool, or coolant around the periphery.

BIG-PLUS® BT Hi-Jet Holder Coolant Inducer

Coolant Inducers

Coolant Inducers introduce coolant capabilities to machine tools without coolant-through spindles. Learn more about these unique 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.

HSK Tooling System

HSK is a German acronym that means "hollow taper shank" and serves as the hollow taper interface that connects to HSK machines using flange contact.

Special Offers

We have always offered Higher Performance Guaranteed and now we have special offers to guarantee higher savings.

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.

Regulatory Information

Welcome to our Regulatory Information section. Here, you'll find important resources and statements about compliance and responsible business practices.

Data Helper

This interactive tool is designed to help you retrieve the data you need for your systems.

Angle Heads & Speed Increasers

Optimize your spindle with BIG DAISHOWA's Angle Heads & Speed Increasers. Harness your machine's current capabilities by adding an Angle Head.