Page 266 - Carmex - Inch Catalog 2018-19 Rev. B

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Mill - Thread Solid Carbide

UN With internal coolant bore
Tools for Internal thread - Metric Shanks

Thread length: 2xD

Grade P M K N S H
K20

Pitch UNC UNF UNEF Ordering Code d D No. of I L
TPI mm Flutes
32 8 10 12 AMT 06032C9 32 UN 6 .126 3 .358 2.3
28 1/4 AMT 06052C14 28 UN 6 .205 3 .551 2.3
24 3/8 9/16-5/8 AMT 0808D20 24 UN 8 .315 4 .811 2.5
20 1/4 AMT 06048C14 20 UN 6 .189 3 .575 2.3
20 7/16 AMT 10092C23 20 UN 10 .362 3 .925 2.9
18 5/16 AMT 0606C17 18 UN 6 .236 3 .693 2.3
18 9/16-5/8 1 1/8 - 1 5/8 AMT 1212D30 18 UN 12 .472 4 1.193 3.3
16 3/8 AMT 08074C21 16 UN 8 .291 3 .843 2.5
16 3/4 AMT 1616E38 16 UN 16 .630 5 1.531 4.1

UN With internal coolant bore and cutting Chamfer

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 Df Flutes I If L

20 1/4 AMT 08048C14 20 UN-C 8 .189 .268 3 .575 .614 2.5
18 5/16 AMT 1006C17 18 UN-C 10 .236 .331 3 .693 .740 2.9
16 3/8 AMT 12074C21 16 UN-C 12 .291 .394 3 .843 .894 3.3
First choice Alternative

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