The first hole saw with serrated knife for really all insulating materials such as: Wood insulating boards, polystyrene, mineral wool, PU-foam etc. Very clean cuts The ejector-shank has to be ordered separately! It is not included in the scope of delivery

Fast, very clean and circular cuts in mineral wool, PUR foam, polystyrene, leather, rubber, paper, carpet and especially in wood fiber insulating boards

Due to the ejector shank system the drill core can be removed in a breath. The thin-walled cutting offers to use the core again, e.g. to close the blow-in opening

Art.- No. O-
[mm] Effective L.
[mm] Description 2155.035 35 100 Junction box for wall lamps 2155.065 65 100 Facade dowel 2155.068 68 100 Hollow wall box, junction box 2155.074 74 100 Hollow wall box, junction box 2155.106 106,5 100 Blow-in opening insulation 2155.121 121 100 Fire protection halogen lamp casing