German bertram graf tools bertram graf models bertram graf prices

bertram graf tools powered by electric motors or electromagnets, driving the working head through a transmission mechanism, are called power tools. They are hand-held operating tools that use low-power electric motors or electromagnets as power sources to drive the working head via a transmission mechanism. Power tools are divided into handheld and portable types. Handheld power tools are more flexible, convenient, and widely used; many varieties have become essential tools for production and daily life. There are numerous power tool brands. According to their functions and applications, they are mainly classified into metal cutting