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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.

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.

Frequently Asked Questions

Find answers to some of the most frequently asked questions about our products and services. We have organized the questions and answers into different categories to make it easy for you to find what you're looking for.

Indexable Cutting Tools

Indexable cutting tools can offer significant advantages over standard solid carbide tools. Choose from Indexable insert drills and milling cutters.

Centering

Indexable centering tools feature solid tool performance with the economy of indexable tooling where only the cutting tip is replaced.

Cleaners

Our cleaners make it easy to get your spindle and tooling in the best condition to perform exactly as desired over and over.

Tips & tricks

These tips are intended to give you a better understanding of what these products can do, how to best use them and how to get the most out of them.

Special Offers

We have always offered Higher Performance Guaranteed and now we have special offers to guarantee higher savings.

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Testimonials

We often emphasize superior tooling, improved tool performance, and our exceptionally high standards. Find out what people are saying about BIG DAISHOWA!

BIG DAISHOWA News

Our News section includes new product announcements & press releases so that you can stay up-to-date with BIG DAISHOWA.

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.