Functioning - The TAM is suitable for pre-positioned installation. - When applying the torque, the cone is pulled into the expansion sleeve and expands it against the drill hole wall. - For correct installation, it must be ensured that the pre-positioned anchor TA M can be supported on the attachment, or that the threaded rod is countered. - Determining the screw length l s : Screw length l s = Length of fixing + Thickness of fixture t fix + Thickness of washer.