DIY Network

Router Bit Basics

Router bits come in different sizes and the various bits available can make a number of shapes and designs. Use this guide to choose the perfect bit for any project.

More in Home Improvement

router bits come in different sizes and shapes

Router bits come in two sizes: 1/4 inch, used by most home woodworkers, and 1/2 inch, for more powerful routers. Some bits have pilot guides used to create detail work without a fence. Bits for creating dados, bevels and other special cuts are also available.

Rabbeting bits are used for cutting rabbet joints. Rout a rabbet gradually, in several passes, lowering the bit slightly after each pass.

Roman ogee bits are used to make S shapes and other designs.

Cove bits are used to shape decorative edges and milling moldings.

Fluting bits are used to cut decorative flutes.