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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.

CNC Tool Holders

CNC Tool holders are the interface between the machine spindle and the cutting tool. BIG DAISHOWA offers a wide variety of shanks common to the market.

Hydraulic Chucks

Hydraulic Chucks are ideal tool holders for machining processes that require high accuracy such as drills, reamers, ball mills, end mills, diamond reamers and grinding tools.

CNC Tapping Holders

Upgrade your CNC tapping operations with the MEGA Synchro Tap Holders. Improves thread quality & tap life by reducing thrust loads by up to 90%.

Tap Holders

MEGA Synchro Tap Holders are available in multiple lengths and for multiple tap standards to accommodate whatever your application calls for.

CNC Boring Tools

The precision of KAISER modular CNC boring tools delivers measurable performance advantages—significantly reducing costs and cycle times.

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.

Tooling Cleaners

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

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.

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.

Multi-Axis Turning Tools

Modular Turning Tools for most common spindle interfaces offers optimal tool length, large selection of insert types, approach angles, and a variety of standard boring bar and square shank adapters.

Tool Presetters

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.

Tool Offset Options

Measure tool offsets with these high-precision compact sensors which ensure fast and accurate operations.

Tool Management

Tool management is an important aspect of the metalworking industry. Integrating and organizing your tools and tool data helps to prevent errors.