SDS-max Speed Clean Dust Extraction Bits, 21 in

Hollow drill bit - connects to a vacuum system to deliver up to 50% time savings versus the conventional drill-blow-brush-blow anchor-installation method | Faster drilling - provides up to 25% greater drilling speed thanks to less dust and reduced friction | Great durability - one-piece design offers comparable life to Bosch Bulldog bits | Part of a dust-reduction engineered solution - included rubber adapter and bit works with a vacuum system to manage airborne silica dust | Optimized for adhesive anchoring - works with Simpson Strong-Tie Set-XP high-strength anchoring adhesive | Bosch Speed Clean drill bits are built using a solid piece of steel with a dust channel that's milled to Bosch specifications to extract dust while drilling, creating 25 percent greater drilling speed | The dust extraction bit system saves time, saves money and produces 90% less dust than traditional drilling methods | The bit life is comparable to the life of Bosch SpeedX SDS-max bits | Solid carbide tips are embedded in a steel head with robust four-cutter geometry enhancing bit speed and life | The Speed Clean bit, connected to vacuum system, installs adhesive anchors up to 50% faster when compared with the standard hand-cleaning method