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. 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. Built using a solid piece of steel with a dust channel that’s milled to Bosch specifications to extract dust while drilling, creating 25% 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.