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Our MEGA Wrenches feature a one-way clutch system with a roller bearing and ratchet function for the firm and easy tightening of BIG BIG DAISHOWA slot-free nuts.

CNC Milling Chucks

BIG DAISHOWA mechanical CNC milling chucks offer the highest gripping strength, improved rigidity, and coolant delivery for improved tool life.

Interactive Tools

BIG DAISHOWA offers a variety of interactive tools to help easily fulfill requests and find information about our products.

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Price and Stock Check

Price and Stock Check is designed to streamline your search for product information. Look up inventory by catalog number or description.

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Not every shop requires extreme accuracy or total efficiency. But for those that do, there is no better tooling partner than BIG DAISHOWA.

Presetter Selection Guide

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

California Proposition 65 warning label.

California Proposition 65 Notification Letter

With respect to Prop65, our hardmetal and tooling/workholding products contain cobalt and nickel which are known to the State of California to cause cancer.

Win a Base Master

Enter for a chance to win a Base Master from BIG DAISHOWA.

Accessories

BIG KAISER offers spare parts and a unique line-up of economical accessories designed to optimize your productivity and help you operate at peak efficiency.

Nuts

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

Request Forms

In order to fulfill various requests, BIG DAISHOWA sometimes requires documentation. The forms below are available to initiate a request.

Tapered Collets

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

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.

BIG DAISHOWA Products

Products such as fine/rough boring heads, tool holders cutting tools, measuring equipment, and workholding adhere to the highest quality standards.