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

Clamping Knobs, Balls and Pallets

UNILOCK clamping knobs and pallets work together to provide superior workholding capability.

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.

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.

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.

ISO Certificates

These industry-recognized certifications showcase a company's commitment to quality and compliance.

REACH Compliance Request

BIG DAISHOWA Inc. does not offer EU Reach certification. Our company in the United States supplies and is responsible for the North American market only.

Data Helper

This interactive tool is designed to help you retrieve the data you need for your systems.

Nuts

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

BIG-PLUS Spindle Rebuilder

A list of North American licensed and authorized BIG-PLUS spindle rebuilders.

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.

CNC Boring Tools

The precision of KAISER modular CNC boring tools delivers measurable performance advantages—significantly reducing costs and cycle times.

Wrenches

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.

Tool Offset Options

Measure tool offsets with these high-precision compact sensors which ensure fast and accurate operations.

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.