Page 311 - Carmex - Metric Catalog 2021

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Mill-Thread Solid Carbide

UN Fast MT with internal coolant bore L

Tools for Internal Thread
D d
Df
A
I
lf

45˚
Detail A
Grade P M K N S H
MT8      ≤ 52 HRc

Pitch No. of
TPI UNC UNF UNEF Ordering Code d D Df Flutes I If L
28 1/4 FMT 08052 F11 28 UN 8 5.2 7.0 6 11.3 12.3 64
28 7/16-1/2 FMT 12098 H19 28 UN 12 9.8 11.8 8 19.5 20.5 84
24 5/16 FMT 10066 G14 24 UN 10 6.6 9.6 7 14.3 15.8 73
24 3/8 9/16, 5/8, 11/16 FMT 12082 G17 24 UN 12 8.2 10.6 7 17.5 18.7 84
20 1/4 *FMT 08048 E12 20 UN 8 4.8 6.8 5 12.1 13.1 64
20 7/16 FMT 12092 H21 20 UN 12 9.2 11.4 8 21.0 22.1 84
20 1/2 3/4, 7/8, 1 FMT 14111 H22 20 UN 14 11.1 13.5 8 22.2 23.4 84
18 5/16 FMT 1006 F14 18 UN 10 6.0 8.4 6 14.8 16.0 73
18 9/16, 5/8 1 1/16, 1 1/8 FMT 16125 H26 18 UN 16 12.5 15.0 8 26.1 27.4 105
16 3/8 FMT 10074 F16 16 UN 10 7.4 9.6 6 16.7 17.8 73
16 3/4 FMT 20167 H34 16 UN 20 16.7 19.3 8 34.1 35.4 105
14 7/16 7/8 FMT 12085 F20 14 UN 12 8.5 10.7 6 20.9 22.0 84
13 1/2 FMT 12098 F24 13 UN 12 9.8 11.8 6 24.4 25.4 84
12 9/16 1 FMT 16116 F26 12 UN 16 11.6 15.2 6 26.5 28.3 105
11 5/8 FMT 1612 F33 11 UN 16 12.0 15.4 6 33.4 35.1 105
Order example: FMT 08048 E12 20 UN MT8
* without internal coolant
Alternative
For small thread mills see page B09-17
UN With internal coolant bore
Tools for Internal Thread

Thread length: 2xD

Grade P M K N S H
K20     

Pitch UNC UNF UNEF Ordering Code d D No. of I L
TPI Flutes

32 8 10 12 AMT 06032 C9 32 UN 6 3.2 3 9.1 58
28 1/4 AMT 06052 C14 28 UN 6 5.2 3 14.0 58
24 3/8 9/16-5/8 AMT 0808 D20 24 UN 8 8.0 4 20.6 64
20 1/4 AMT 06048 C14 20 UN 6 4.8 3 14.6 58
20 7/16 AMT 10092 C23 20 UN 10 9.2 3 23.5 73
18 5/16 AMT 0606 C17 18 UN 6 6.0 3 17.6 58
18 9/16-5/8 1 1/8 - 1 5/8 AMT 1212 D30 18 UN 12 12.0 4 30.3 84
16 3/8 AMT 08074 C21 16 UN 8 7.4 3 21.4 64
16 3/4 AMT 1616 E38 16 UN 16 16.0 5 38.9 105
For information about AMT Thread Mills and cutting data see page B12-16 First choice Alternative
B08-13