The DFX21340 from DeWalt is a Hollow Undercut Bits (HUCB) dust removal drill bit used with a vacuum dust extractor.
Using the DeWALT Hollow Undercut 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.
