These long SDS hammer drill bits are great for punching holes through concrete, block
and brick. The sizes listed are over all sizes. Typically your actual drill depth is 2" shorter. Check
out the 1/2" bit , this the longest SDS bit available. Perfect for putting a couple cables
through the wall or use as a pilot hole and drill larger bit from either side. These will work in any
Bosch, DeWalt, Hilti, Makita, Black/Decker and Milwaukee SDS hammer. These bits are from Bosch, Simpson, Tru-Cut, DeWalt, and Dril-Tec, bits tradesman know and trust.