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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.

Our modular components are based on a cylindrical connection with radial locking screw. The BIG KAISER CK modular precision tool system has continuously been improved over the years, and has adapted to customer’s needs and the increases in machine tool performance.

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

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

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

Round chucks come in diameters from Ø 90 - 176 mm (Ø 3.543" - 6.929") and body styles to fit a wide variety of applications.

BIG DAISHOWA mechanical CNC milling chucks offer the highest gripping strength, improved rigidity, and coolant delivery for improved tool life.

Our News section includes new product announcements & press releases so that you can stay up-to-date with BIG DAISHOWA.

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

To keep up with current events, news bites, and quick tips, check in with our blog.

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.

BIG DAISHOWA's Document Library includes the latest product information available for your download.

Our rough boring heads and twin boring tools are designed for ultimate performance and versatility. Small, medium and large diameter systems are available.