Morse Taper

A self-holding standard taper largely used on small cutting tools such as drills, end mills, and reamers, and, on some machines, spindles in which these tools are used.
Morse Taper No.Gauge Depth (inches)Gauge Diameter (inches)Hang (inches)Taper per inch1/2 included angle
020.2521/80.052051 29' 30''
121/80.3691/80.049881 26'
229/160.5723/160.049951 26'
333/160.7783/160.050201 26' 15''
441/161.021/40.051941 29'
553/161.4751/40.052631 30' 30''
671/42.1165/160.052141 30'
7102.753/80.0521 30'

See also: Drill Chuck Arbor, Jarno, Key, Mandrel, Tang.

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Subjects: Mechanical Engineering Tools