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Morse taper MT4 gauge plug

Morse taper MT4 gauge plug: large end (gauge line) Ø31.2674 mm, small end Ø25.9080 mm, plug depth 103.188 mm; tapered portion only, no tang or collar (published taper per foot 0.62326)

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

Dimensions

taperMT4
taper per foot (in)0.62326
A gauge line (in)1.2310
A (mm)31.267
D small end (in)1.0200
D (mm)25.908
plug depth P (in)4-1/16
P (mm)103.188
AIMS 'length' (mm)102
shank length B (in = mm)4-7/8 = 123.825
tang length T (in = mm)5/8 = 15.875
tang radius R (in = mm)0.4687 = 11.905
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From the full sheet

Morse tapers MT0–MT7 and 4-1/2: gauge diameter, small end, taper per foot, plug depth, shank length, tang length + taper plug and ring gauges: every size, notes, mating features and sources. What are the dimensions of Morse taper MT1, MT2, MT3, MT4 and MT5 (large and small diameter, taper, length, tang)?

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