Cordless with flexible drive shaft: A cordless rotary tool connected to the speed control/power unit with a flexible drive shaft. Ryobi’s PCL480K1 occupies this niche.

Foredom specializes in high-quality flex shaft rotary power tools that provide long-lasting performance. You can use flex shafts for jobs like grinding, deburring, engraving, polishing, and more.

Flexible rotary shafts transfer power from thrust-reverser actuation systems on jet engines. On commuter aircraft, typically 100 seats and smaller, ball-screw linear actuators control the leading ...

This is one of the more handy uses for this tool, at least around my house, where I'm constantly in a state of tearing out or patching tile. Here's a video on how grout removal works with a rotary ...

However, its flexible shaft isn't the only major impact that Flex has made on the power tool industry. In 1954, ... and Flex tools are sold and used around the world.