EASY CLEANUP — DISHWASHER SAFE GRINDING BOWL: The grinding bowl on this coffee bean grinder is designed with durable stainless steel. It's removable for easy filling and pouring and is ...

Peter begins by adapting a model airplane propeller to his 9500 RPM battery powered grinder, and then checks thrust with different propellers to see which seemed most efficient. Then [Peter] did ...

Slide Switch Angle Grinder. The battery-powered 20 volt brushless motor provides up to 10,500 RPM, features an all-metal gear housing, and includes a moveable side handle. However, it does not ...