Clean-Tec chip & coolant fans provide a faster & safer method of removing chips and coolant from your tables, fixtures and workpieces than conventional air. The fan can be programmed into your machining cycle to help reduce downtime and make necessary cleaning a part of the work cycle. As the machine spindle turns, the blades deploy to provide high volume air cleaning power! Available in 3 different sizes: 160mm, 260mm, 330mm Can be clamped in every common shank 20 mm (or 19,05 mm = 3/4") In-process cleaning without stopping production Saves expensive compressed air No more dripping coolant and flying chips from conventional air hose blasts A quieter workplace environment Coolant-through shank for rinsing capability