Bl This standard establishes the dimensions of the threaded spindle noses and the coupling holes. B-2 This standard considers the following types of spindle noses: a) Type A (With Morse taper according to IRAM 5104) b) Type B (With entry for short collet according to IRAM 5163) c) Type C (With Morse taper according to IRAM 5104 and entry for long clamp according to IRAM 5163).
IRAM 5133-1959 history
1959IRAM 5133-1959 Dimensions of threaded spindle crankneck