Page 331 - Carmex - Inch Catalog 2022

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Mill-Thread Solid Carbide

UN Fast MT with internal coolant bore L

Tools for Internal Thread
D d
Df I
A
lf

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

Pitch UNC UNF UNEF Ordering Code d D Df No. of I If L
TPI mm Flutes
28 1/4 FMT 08052 F11 28 UN 8 .205 .283 6 .44 .48 2.5
28 7/16-1/2 FMT 12098 H19 28 UN 12 .386 .465 8 .77 .81 3.3
24 5/16 FMT 10066 G14 24 UN 10 .260 .378 7 .56 .62 2.9
24 3/8 9/16, 5/8, 11/16 FMT 12082 G17 24 UN 12 .323 .417 7 .69 .74 3.3
20 1/4 * FMT 08048 E12 20 UN 8 .189 .268 5 .48 .52 2.5
20 7/16 FMT 12092 H21 20 UN 12 .362 .449 8 .83 .87 3.3
20 1/2 3/4, 7/8, 1 FMT 14111 H22 20 UN 14 .437 .531 8 .87 .92 3.3
18 5/16 FMT 1006 F14 18 UN 10 .236 .331 6 .58 .63 2.9
18 9/16, 5/8 1 1/16, 1 1/8 FMT 16125 H26 18 UN 16 .492 .591 8 1.03 1.08 4.1
16 3/8 FMT 10074 F16 16 UN 10 .291 .378 6 .66 .70 2.9
16 3/4 FMT 20167 H34 16 UN 20 .657 .760 8 1.34 1.39 4.1
14 7/16 7/8 FMT 12085 F20 14 UN 12 .335 .421 6 .82 .87 3.3
13 1/2 FMT 12098 F24 13 UN 12 .386 .465 6 .96 1.00 3.3
12 9/16 1 FMT 16116 F26 12 UN 16 .457 .598 6 1.04 1.11 4.1
11 5/8 FMT 1612 F33 11 UN 16 .472 .606 6 1.31 1.38 4.1
Order example: FMT 08048 E12 20 UN MT8
* without internal coolant
For small thread mills see page B09-17
Alternative
UN With internal coolant bore
Tools for Internal Thread

Thread length: 2xD

Grade P M K N S H
K20     

Pitch d No. of
TPI UNC UNF UNEF Ordering Code mm D Flutes I L
32 8 10 12 AMT 06032 C9 32 UN 6 .126 3 .36 2.3
28 1/4 AMT 06052 C14 28 UN 6 .205 3 .55 2.3
24 3/8 9/16-5/8 AMT 0808 D20 24 UN 8 .315 4 .81 2.5
20 1/4 AMT 06048 C14 20 UN 6 .189 3 .57 2.3
20 7/16 AMT 10092 C23 20 UN 10 .362 3 .92 2.9
18 5/16 AMT 0606 C17 18 UN 6 .236 3 .69 2.3
18 9/16-5/8 1 1/8 - 1 5/8 AMT 1212 D30 18 UN 12 .472 4 1.19 3.3
16 3/8 AMT 08074 C21 16 UN 8 .291 3 .84 2.5
16 3/4 AMT 1616 E38 16 UN 16 .630 5 1.53 4.1
For information about AMT Thread Mills and cutting data see page B12-16 First choice Alternative
B08-13