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Upgrade your CNC tapping operations with the MEGA Synchro Tap Holders. Improves thread quality & tap life by reducing thrust loads by up to 90%.

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.

Precision Measuring Instruments

Precision measuring instruments and equipment help make your work flow faster, more accurate, and more efficient.

Tooling Cleaners

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

Events

BIG DAISHOWA invites you to our events and experience first-hand the high quality of our machining solutions that will help you turn problems into profits.

Torque Wrenches

Torque wrenches are essential to achieving precise tightening forces.

Calculators & Conversions

Our convenient calculators & conversions make your time in the shop more efficient by helping you make common machining calculations.

Fine Boring Heads

BIG KAISER offers a complete line of fine boring heads, great for high precision finishing options for small, medium, and large diameter applications.

Pilot & Spot Drills

Pilot & spot drills are often necessary for applications where the succeeding drill is longer than 10xD, or smaller than Ø 1.00 mm.

BIG DAISHOWA—Americas

BIG DAISHOWA is a premium industrial tooling company, whose mission is to deliver the best CNC tool holders, precision boring tools, high-performance cutting tools, tool presetters and workholding solutions.

Control Software

Browse software used to control your Tool Presetter. New and innovative designs have been applied to the Speroni control and software interfaces.

Tap Holders

MEGA Synchro Tap Holders are available in multiple lengths and for multiple tap standards to accommodate whatever your application calls for.

Welcome to the BIG DAISHOWA Group

BIG DAISHOWA is a well-recognized global tooling manufacturer for the metal cutting industry with facilities in North America, Europe and Asia.

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.