When dust removal is vital to your drilling work, ie: chemical anchor holes, these K4 Dustless Drill Bits are ideal. This K4 14mm x 360mm bit has been optimised for speed, power and dust removal. The innovative head design makes it suitable for a wide range of heavy-duty applications and materials including natural stone, solid brick, and even reinforced concrete. With a universal dust port and clean holes (no need to brush and blow after drilling), this drill bit reduces the amount of concrete dust residue. For any chemical anchor drilling, we recommend a vacuum that features: • Class: M HEPA • Airflow: Min. 38 I/sec, 140m3/h, 2280 I/min, 82cfm • Power: Min. 1200W • Pressure: Min. 3.3 psi, 225 mbar/hfa • Tubing: Max. 5m 16’5” tube • Features: Autoclean Find this Kango dustless drill bit at your local Bunnings Warehouse today.