Replacing manual-depth gauges on rotary hammers, these Stop Bits provide a precise way to install anchors. With a drill bit maximum speed of 1100 rpm, the line of carbide-tipped steel bits include 3/8-, 1/2- and 5/8-in. sizes, and depths from 13/16 to 2 1/16 in. Bosch Power Tool Corp. 877-267-2499.