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

Dec 2025

Pilot Step Drill Delivers Significant Performance Improvements

The Sphinx Drinox Pilot Step Drill delivers up to three times longer tool life, three times higher coolant-through output and three times faster drilling.

Categories

Cutting Tools

MEGA MICRO COLLET

MEGA MICRO collet is available in 0.1 mm diameter increments to suit all cutting tool shank sizes with maximum accuracy.

NEW BABY COLLET

NEW BABY COLLET is a series of collets that are world-renowned for their unmatched accuracy and precision. They are the world's first etched with a AA grade that guarantees their excellent runout accuracy.

MEGA Wrench

The MEGA Wrench offers firm and easy tightening using a one-way clutch system with a roller bearing and ratchet function.

Tapered Collets

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

MEGA ER COLLET

MEGA ER collets are inspected twice (0º and 180º) at 4 times diameter to guarantee the runout accuracy.

MEGA E COLLET

MEGA E COLLET includes a shallow taper and extended clamping length, which enhances the clamping and self-centering forces for stable performance.

Angle Heads & Speed Increasers

Optimize your spindle with BIG DAISHOWA's Angle Heads & Speed Increasers. Harness your machine's current capabilities by adding an Angle Head.

Jan 2015

There’s No Room for Error up in the Air

Jet engine manufacturers have found that even the most infinitesimal imperfection can produce catastrophic results; absolute precision is the name of the game in the aerospace industry.

Categories

Boring Tools

In The News

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.

MEGA MICRO CHUCK

MEGA MICRO CHUCK is a collet chuck featuring a notch-free nut design that prevents vibration and noise while offering superior balance and concentricity.

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.

MEGA NEW BABY CHUCK

MEGA NEW BABY CHUCK tool holders are precision ground and balanced for high-speed machining. All components are specifically designed for high-speed applications.

Cutting Tools

BIG DAISHOWA offers a full line of high-precision cutting tools. Our cutting tools are the superior choice for increasing production capacity and quality.