Drill deep through-holes with total control using the Dewalt DT9687-QZ SDS-Plus hammer drill bit. Featuring a solid four-cutter carbide head, it delivers clean, concentric holes in concrete, masonry, natural stone, and brick while preventing jamming when striking steel rebar. With a 22 mm diameter, 450 mm overall length, and 400 mm working length, you can penetrate thick structural walls to install conduit, pipework, or heavy-duty anchors. The four-flute spiral clears drilling dust rapidly to maintain high drilling speeds, while the reinforced SDS-Plus shank transfers full impact energy directly to the tip with reduced vibration.