Alcance
ISO 4202:2016 specifies the dimensions of reduction sleeves with external 7/24 taper (Nos. 30, 40, 45, 50 and 60) for tools with Morse taper shanks (Nos. 1 to 6).All these sleeves allow driving of tools having Morse taper shanks which have a tenon at the small end of the shank; some sleeves allow driving of tools having Morse taper shanks which have an axially tapped hole in the shank:- with the use of an incorporated screw for sleeves 30 � 1 ? 40 � 1 ? 40 � 2 ? 45 � 1 ? 45 � 2 ? 45 � 3 ? 50 � 2 ? 50 � 3 ? 50 � 4 ? 60 � 3 ? 60 � 4 ? 60 � 5;- with the use of a draw bar for sleeves 30 � 1 ? 30 � 2 ? 40 � 1 ? 40 � 2 ? 40 � 3 ? 45 � 1 ? 45 � 2 ? 45 � 3 ? 45 � 4 ? 50 � 2 ? 50 � 3 ? 50 � 4 ? 50 � 5 ? 60 � 3 ? 60 � 4 ? 60 � 5 ? 60 � 6.Morse tapers conform to ISO 296 while 7/24 tapers are in accordance with ISO 297.