Diager

Founded in 1953 by Pierre and Denise Defougères, Diager is an independent French manufacturer renowned for its expertise in drilling and screwing tools. With over 60 years of experience, Diager has established itself as the European leader in concrete drill bit production, serving professional customers in more than 70 countries.

Headquartered in Poligny, nestled in the picturesque Jura region of France, Diager produces an impressive twenty million items annually, offering a comprehensive range of professional accessories for power tools, including drilling, screwing, core drilling, and cutting tools for concrete, metal, and timber. Under the leadership of François Defougères, the family-run business is committed to maintaining a robust industrial presence in France and Europe, investing in production capabilities, staff training, and research and development to meet the evolving needs of its clients.

In 2013, Diager expanded its expertise by acquiring USH, a German screw tip manufacturer, further enhancing its product offerings. The company is also dedicated to sustainable development, implementing policies and actions that prioritize environmental protection. With a recent investment of 8.5 million euros to expand its production facility by 1,600m² and add ten new machines, Diager is poised to meet growing demand and improve delivery times, all while upholding its commitment to innovation and ethical values in the manufacturing sector.