Bosch 1-3/8 Inch X 35 Inch Sds-Max Speed Clean Dust Extraction Bit

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 SpeedX® bits