1-1/4" CCU+™ Hollow Stop Bit, SDS-Max, 10-5/8" Drill Depth, DeWalt DFX11340

The DeWALT Hollow Stop Bits (HUCB) dust removal drill bits are used with a vacuum dust extractor. 

Using the DeWALT Hollow Stop Bit™ and dust extractor with SDS rotary hammers creates an OSHA-compliant (1926.1153) solution for dust control. The Hollow Bit™ simultaneously extracts dust to clean holes while drilling. For agility on the jobsite, go cordless with DEWALT's offering of battery powered hammer drills, dust extractors and portable power stations.