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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.

Premium High-Speed Steel (HSS) micro cutting tools containing roughly 5% Cobalt for applications requiring a low-cost solution with the strength to withstand unusually high cutting forces.

We provide DXF drawings, a cutting data calculator and drill size conversions. You can also download all our product catalog PDFs or watch our product videos.

Indexable cutters with up to 4 cutting edges for fast, efficient production of radius edges.

Drill reamers that separate themselves from the competition using geometries with three distinct margins.

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

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

Coolant Inducers introduce coolant capabilities to machine tools without coolant-through spindles. Learn more about these unique tools.

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

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

A pilot or spot drill, also known as a starter drill, is typically required when the succeeding drill is longer than 10xD or smaller than Ø 1.00 mm. Starter drills can also be used to improve hole location due to their short, rigid geometries.