Diager is above all an independant manufacturer. This privilege enables the company to remain autonomous in all areas from design through to industrial production. Its highly qualified employees and modern production facilities mean Diager is a innovative and technological manufacturer working in harmony with environmental concerns.

Leading European manufacturer of masonry drill bits

55 years of experience and constant investment has enabled Diager to develop its expertise to make it the leading European manufacturer of masonry drill bits today. Every year we manufacture over 20 million tools. Diager is an independant manufacturer

Production facilities