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Precision measuring instruments and equipment help make your work flow faster, more accurate, and more efficient.

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

Calculators & Conversions

Our convenient calculators & conversions make your time in the shop more efficient by helping you make common machining calculations.

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.

Control Software

Browse software used to control your Tool Presetter. New and innovative designs have been applied to the Speroni control and software interfaces.

Win a KAISER Boring Kit

Enter for a chance to win a KAISER boring kit.

Special Offers

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

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.

Careers

Are you interested in a career with us? We offer a diverse selection of careers, and we hire the most qualified person for the job.

Why BIG DAISHOWA

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

Basic Arbors

BIG DAISHOWA offers basic arbors for Shell Mills and Face Mills, Shrink Fit, and Side Lock End Mill tool holders for conventional cutting tools.

Machine Spindle Measurement

Regular spindle measurement is a necessity. Periodical measurement of the spindle retention force avoids unknown reduced rigidity.

Torque Wrenches

Torque wrenches are essential to achieving precise tightening forces.

Fine Boring Heads

BIG KAISER offers a complete line of fine boring heads, great for high precision finishing options for small, medium, and large diameter applications.