What is a Die Grinder?
A die grinder is a tool used to polish and buff the inside of cylindrical objects. A cylindrically shaped sanding attachment, called a grinding nose, attaches to the bottom of the die grinder in a similar fashion as a drill bit goes into a drill. When metal piping is cut, small metal spurs often result where the cut has been made. These spurs can wreak havoc on connections. A die grinder is used to grind the spurs away, making the area smooth and allowing for proper installation. A die grinder can range in size from a small handheld die grinder to bench top models. When choosing a die grinder, it is important to consider its primary purpose, what attachments must be used, and the amount of time that will be spent grinding down materials. An incorrectly used die grinder can wear out quickly and cause injury to the operator. All die grinders have rotations per minute (RPM) ratings and no-load speeds. RPM measures how often the die grinder spins while in use. No-load speeds refer to the r
