Page 250 - Carmex - Inch Catalog 2018-19 Rev. B

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Mill - Thread Solid Carbide

UN

Tools for Internal Thread

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

40 5 MT0250C02 40UN 1/4 .098 3 .24 2.5
32 8 10 12 MT0250C02 32UN 1/4 .126 3 .27 2.5
28 1/4 MT0250C04 28UN 1/4 .157 3 .45 2.5
28 7/16-1/2 MT0250C05 28UN 1/4 .236 3 .57 2.5
24 5/16 MT0250C06 24UN 1/4 .197 3 .56 2.5
24 3/8 9/16-5/8 MT0312C08 24UN 5/16 .276 3 .81 2.5
20 1/4 MT0250C05 20UN 1/4 .177 3 .48 2.5
20 7/16-1/2 MT0312C08 20UN 5/16 .276 3 .83 2.5
20 3/4-1 MT0500E11 20UN 1/2 .472 5 1.08 3.5
18 5/16 MT0250C06 18UN 1/4 .197 3 .58 2.5
1/8
18 9/16-5/8 1 -1 5/8 MT0375D10 18UN 3/8 .375 4 1.03 3.0
16 3/8 MT0250C07 16UN 1/4 .236 3 .66 2.5
16 3/4 MT0500D12 16UN 1/2 .472 4 1.22 3.5
14 7/16 MT0312C08 14UN 5/16 .276 3 .82 2.5
14 7/8 MT0625E15 14UN 5/8 .591 5 1.46 4.0
13 1/2 MT0312C09 13UN 5/16 .313 3 .88 2.5
12 9/16 MT0375C10 12UN 3/8 .375 3 1.04 3.0
12 1-1 1/2 MT0625E16 12UN 5/8 .625 5 1.63 4.0
11 5/8 MT0375C11 11UN 3/8 .375 3 1.14 3.0
10 3/4 MT0500C14 10UN 1/2 .472 3 1.35 3.5
9 7/8 MT0625C15 9UN 5/8 .591 3 1.50 4.0
8 1 MT0625C17 8UN 5/8 .625 3 1.69 4.0
1/8
7 1 -1 1/4 MT0750D17 7UN 3/4 .750 4 1.78 4.0
Order example: MT 0625E15 14 UN MT7

For thread mills with coolant bore see following pages
For small thread mills see pages 265-266, 271, 274 & 286.

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