1973

 

Founded in Frankfurt am Main

 

 

1991

 

Moved to larger business location in Dreieich - Offenthal

 

 

1993

 

Introduction of a metal drill HSS-G TURBO "Butter Drill"

 

 

1999

 

Introduction of the SDS-plus hammer drill 4 Plus

 

 

2000

 

Marks the beginning of the European brands concept.

 

 

2001

 

New PROJAHN hand tools program

 

 

2004

 

Europe-wide establishment of the brand PROJAHN
Introduction of the innovative adapter system ProConnect

 

 

2006

 

Move to new headquarters in Dietzenbach

 

 

2007

 

Expansion of the company by adding subsidiaries in France

 

 

2008

 

Introduction of the hammer drill ZENTRO PLUS 4x4