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Apr 2020

The is no general rule to cutting tool shank insertion as a multiplier for shank diameter. All tool holder types have different requirements.

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Tool Holders

Aug 2025

CAT Tool Holders Explained: The What, Why, When and How of America’s Original Tool Holding System

CAT tool holders are shop-floor workhorses. See how this tool holder stays relevant, what sets it apart and how to choose the right setup.

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Tool Holders

Aug 2025

A Comprehensive Guide to Tool Holders for Modern-Day Machining

Take the guesswork out of choosing tool holders and start getting results today.

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Tool Holders

Dec 2016

Unilock options make addressing common workholding challenges simple

While most can’t invest in transformative capital equipment without months of planning and of course extensive cost, workholding is a different story.

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Workholding

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.

May 2019

Premium clamping devices ensure process reliability

The contract manufacturer Schittl from Deutsch Kaltenbrunn specializes in the production of one-offs and small series projects. Based on a recommendation from the multi-brand dealer Metzler, they use chucks from BIG DAISHOWA. This is their story.

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Interesting Articles

Apr 2019

Tool Holders that Maintain Runout Accuracy When It Matters

Hydraulic chucks are an excellent choice for high accuracy applications due to their ability to maintain runout accuracy over an extended period of time.

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Tool Holders

Nov 2018

Get the Most Out of Your Tool Holders

Overall gripping strength increases as you increase the size of your tool holders (when looking at the same type of holder).

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Tool Holders

Feb 2017

Tools, Holders and Runout: Uncover the Hidden Savings

Runout can be fickle, but finding a solution for it can pay significant dividends. How a little wobble can really increase your costs.

Categories

Tool Holders

Cutting Tools

Jun 2018

Use Air to Maintain Your Loading System

To maintain a highly repeatable loading system, use air to clean the clamping knobs.

Categories

Workholding

MEGA PERFECT GRIP

MEGA PERFECT GRIP combines the cutting performance of heavy-duty milling chucks with security against the pullout of solid side lock tool holders.

OCA Collets

OCA Collets allow for coolant through the cutting tool. They can be used with MEGA Double Power Chucks (MEGA-D) and New Hi-Power Milling Chucks (HMC).

HYDRAULIC CHUCK for Swiss-Type Automatic Lathes.

Swiss Automatic Lathe Tooling

Swiss Automatic Lathe Tooling including gang slide tool holders for high precision accuracy and repeatability.

Multi-Axis Systems

Enhance your machining capabilities with UNILOCK Multi-Axis Systems. Elevate precision work with integrated clamping solutions for multi-axis machining.

Air Fittings

Air fittings and parts are sold separately or as a kit. Other valve options are available upon request.