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This page allows authorized BIG DAISHOWA distributors to request a repair authorization.

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

Straight Collets

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

Blog

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

Tooling Cleaners

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

BIG DAISHOWA Documentation

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

Torque Wrenches

Torque wrenches are essential to achieving precise tightening forces.

Series 317 Large Diameter Boring System

The Series 317 Large Diameter Boring System is designed for heavy roughing of bores and is ideally suited for use on production machines.

BIG CAPTO

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

Nov 2025

New Inserts Provide a BIG Boost for Productivity

BIG DAISHOWA announces new negative inserts for its SW rough boring and EWN fine boring heads.

Categories

New Product

Sep 2011

Unilock zero-point system at Janicki Industries

Tools Optimize Process and Part Quality

Shop-smart accessories clean up on the competition

Categories

Workholding

Jan 2021

BIG DAISHOWA Offers Smallest Smart Damper Boring Head Options Yet

BIG DAISHOWA has released two smaller sizes of the EWN Smart Damper precision boring heads, which eliminate vibration in deep-hole finish boring with a patented damping system.

Categories

Boring Tools

May 2017

BIG DAISHOWA Adds Options to Mega ER Grip Collet Chuck Offering

BIG DAISHOWA’s Mega ER Grip was designed to outperform all standard ER systems in the four most critical areas of tool holder performance: clamping force, concentricity, rigidity and balance at high spindle speeds.

Categories

Tool Holders

Nov 2010

BIG DAISHOWA Introduces Premium ER Collet Chuck System

BIG DAISHOWA has introduced MEGA ER Grip, a new premium ER collet chuck system featuring the best runout accuracy in the industry: .00012" (3 microns) at 5xD.

Categories

Announcements

Tool Holders

Nov 2010

New Hydraulic Chuck from BIG DAISHOWA Promotes Smooth, Stable Cutting

BIG DAISHOWA has introduced a new, high-precision hydraulic chuck for clamping straight shank tools with diameters ¼" to 1¼" and 6mm to 32mm.

Categories

Announcements

Tool Holders