Library › Hardware › Morse tapers MT0–MT7 and 4-1/2: gauge diameter, small end, taper per…

Morse taper MT1 gauge plug

Morse taper MT1 gauge plug: large end (gauge line) Ø12.0650 mm, small end Ø9.3726 mm, plug depth 53.975 mm; tapered portion only, no tang or collar (published taper per foot 0.59858)

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

taperMT1
taper per foot (in)0.59858
A gauge line (in)0.4750
A (mm)12.065
D small end (in)0.3690
D (mm)9.373
plug depth P (in)2-1/8
P (mm)53.975
AIMS 'length' (mm)53.5
shank length B (in = mm)2-9/16 = 65.087
tang length T (in = mm)3/8 = 9.525
tang radius R (in = mm)0.2031 = 5.159
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
Set it up →

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)?

Other sizes