Diager
Componentry
Diager is a French manufacturer of professional tools, established in Poligny, Jura, since 1953. As a family-owned business currently managed by François Defougères, the company has grown to become the European leader in concrete drill bit manufacturing, producing 20 million items annually and serving customers in over 70 countries.
The company specializes in manufacturing a comprehensive range of professional tools including drill bits, screwing tools, fastening equipment, and sawing implements for various materials such as concrete, metal, and wood. In 2013, Diager expanded its expertise by acquiring USH, a German screw tip manufacturer, enhancing their product portfolio.
With a workforce of 200 employees at their Poligny facility, Diager maintains high quality standards through continuous investment in modern production technology and employee training. The company recently invested 8.5 million euros in expanding their production site by 1600m² and adding 10 new production machines to meet growing demand.
Diager demonstrates strong commitment to sustainability and quality assurance, holding certifications including ISO 9001 (since 1991), ISO 14001 (since 2001), and complying with REACH and RoHS regulations. Their products undergo rigorous testing, with approximately half a million holes drilled annually for quality control purposes.
The company's dedication to sustainable development is evident through various initiatives including CO2 emission reduction, waste management, and renewable energy usage with 1000m² of solar panels. They also maintain strong local community involvement through cultural and sports sponsorships while promoting French manufacturing excellence with their "Guaranteed French Origin" certification.
