Dewalt DWA54012 Power Tools Sds Plus Clean Dust Extraction BitsDewalt DWA54012 When used with a dust extractor, DEWALT SDS Plus Hollow Drill Bits extract dust while drilling for less dust, fast holes and fast adhesive anchor installation. DEWALT SDS Plus Hollow Bits are part of their PERFORM PROTECT product line, minimizing users' exposure to dust while drilling. The bit is also OSHA Table 1 compliant. Connects directly to DEWALT's Airlock System forming a secure, locking connection between bit and dust