1/4" vs. 1/2" Shank Bits

A number of woodworking routers can use either a 1/4-inch or a 1/2-inch collet, allowing the same router to use either 1/4 or 1/2-inch shank router bits. In many cases, the same router profiles are available in either size of shank. Which shank is better? Learn the advantages of 1/4-inch vs. 1/2-inch shank router bits on your woodworking projects.

Source: http://woodworking.about.com/od/bladesbits/qt/RouterBitShanks.htm

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