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

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

Straight Collets

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

Tips & tricks

These tips are intended to give you a better understanding of what these products can do, how to best use them and how to get the most out of them.

BIG CAPTO

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

Video Gallery

Watch our product performance videos here.

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.

Testimonials

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

CNC Boring Tools

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

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.

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-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.

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.

Wrenches

Our MEGA Wrenches feature a one-way clutch system with a roller bearing and ratchet function for the firm and easy tightening of BIG BIG DAISHOWA slot-free nuts.