Diager, an independent French manufacturer of drilling and screwing tools.

Diager, the European concrete drill bit leader has been a French drilling tool specialist for over 60 years. Its industrial know-how and capacity to innovate are recognised and appreciated in over 70 countries. Diager, a professional tool manufacturer, produces twenty million items per year and offers a very wide range of professional accessories for power tools: drilling, screwing, core drilling, diamond, concrete, metal and timber cutting.

This family run business, managed by François Defougères, was founded by his parents, Pierre and Denise Defougères, in 1953 and currently employs 200 people.