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Welcome to DIAGER USA

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For over 50 years, DIAGER has been manufacturing quality drill bits for even the most demanding professionals. Our family-owned business strives to provide innovative products for working through the toughest materials including concrete, rebar, and stone.

We manufacture over 35 million drill bits per year. We are the innovators in the industry.

Check out our newest products: Click here to download our complete
product flyer.
Want to learn more about Diager? click here to see our corporate video.
Outside the USA, visit DIAGER.COM
NEW Download our 2010 Product Catalog, with many new items and sizes! Click Here