DeWALT® Hammer Drill Stop Bit, Series: Accu-Bit, 5/8 in Drill Bit Size, 4-1/4 in Overall Length, 1-1/4 in Cutting Depth, 1-1/4 in Flute Length, 25/64 in Shank, SDS-Plus® Shank, HSS Material

Stop bits ensure proper drilling depth for drop-in anchors. This is especially important when drilling into post tension slabs. The 1-1/4 in shoulder keeps user from over drilling.