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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.

Tooling Cleaners

Taper and bore cleaners come in many styles and sizes to match all types of tooling.

Machine Maintenance

Utilize these machine maintenance accessories in addition to regularly scheduled maintenance to save time, money, and frustration.

Collet Chucks

BIG DAISHOWA’s CNC collet chucks have a guaranteed runout at the collet nose of less than 0.003 mm at 4xD, and are available for all machine tool spindles.

Twist Drills

An extensive lineup of unique micro and high-performance drill geometries with a wide range of diameters and lengths capable of optimizing productivity and cost per hole.

Tapered Collets

BIG DAISHOWA offers many sizes of highly accurate collets to offer a broad clamping range to accommodate most standard tool diameters.

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.

CK, CKB & CKN

Based on a cylindrical connection with radial locking screw, the world-famous modular precision tool system BIG KAISER has continuously been improved over the years, and has adapted to customer’s needs and the increases in machine tool performance.

BIG CAPTO

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

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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.

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.

BIG-PLUS Spindle Rebuilder

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

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.

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.