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Torque wrenches are essential to achieving precise tightening forces.

BIG-PLUS tool holders are supported on the flange face and taper providing excellent rigidity. It is interchangeable with existing machines and tool holders.

CK, CKB & CKN

Based on a cylindrical connection with radial locking screw, the world-famous modular precision tool system BIG KAISER has continuously been improved over the years, and has adapted to customer’s needs and the increases in machine tool performance.

BIG KAISER Boring Tool App

A smartphone and tablet app to enhance the user-experience when assembling and running cutting tools while providing extremely precise cutting data.

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Modular Components

Our precision-crafted modular components feature a cylindrical connection with a radial locking screw, ensuring secure and reliable tool assembly for any application.

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.

Who We Are

BIG DAISHOWA is an industrial tooling company located in Hoffman Estates, IL. We are a global supplier of precision metal cutting tools and machine tool accessories.

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%.

Fixed 90°

Angle Heads increase productivity by easily changing the angle of the cutter while utilizing the original workpiece setup.

Face Milling Cutters

BIG DAISHOWA Face Milling Cutters are designed to provide superior surface finish of the workpiece.

Workholding

Our CNC workholding solutions provide flexibility and functionality for 5-axis and 5-sided machining, maximizing benefits through efficient workholding.

Rough Boring Heads

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

Presetter Selection Guide

This presetter selection guide helps find the right presetter for your shop. Enter your shop's criteria for a recommendation.

Tool Assembly / Disassembly

Our tool assembly/disassembly products make the most challenging maneuvers and adjustments much easier, saving time and stress during tooling setup.