Drill holes with up to 1-1/2 in. diameter shouldered stop bits This Stop Bit Head Nozzle Kit works with our DEWALT Onboard Dust Extractors for the DCH273 Rotary Hammer, allowing for tool-free Bit Head Replacement. The kit includes a Stop Bit Head and Standard Bit Head. When you need to change or replace a worn Bit Head, simply remove the old one and snap on a new one in seconds. Use this kit with our D25303DH or DWH303DH Onboard Dust Extractors for an OSHA Table-1 compliant solution when drilling to install virtually any concrete anchor system, including MINI-UNDERCUT+ and Smart DI+.
