Page 322 - Carmex - Inch Catalog 2022

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Mill-Thread Solid Carbide

ISO With internal coolant bore

Tools for Internal Thread

Grade P M K N S H
MT7      ≤ 47 HRc

Pitch M M Ordering Code d D No. of I L
mm coarse fine Flutes

0.5 M5 MTB 0250 C04 0.5 ISO 1/4 .150 3 .41 2.5
0.7 M4 MTB 0250 C02 0.7 ISO 1/4 .122 3 .29 2.5
0.75 M6, M8 MTB 0250 C04 0.75 ISO 1/4 .177 3 .40 2.5
0.75 M12, M14 MTB 0375 D09 0.75 ISO 3/8 .375 4 .96 3.0
0.8 M5 MTB 0250 C03 0.8 ISO 1/4 .150 3 .36 2.5
0.8 M5 MTB 0250 C05 0.8 ISO 1/4 .157 3 .52 2.5
1.0 M6 MTB 0250 C04 1.0 ISO 1/4 .181 3 .41 2.5
1.0 M6 MTB 0250 C06 1.0 ISO 1/4 .181 3 .57 2.5
1.0 M8 MTB 0250 C05 1.0 ISO 1/4 .250 3 .50 2.5
1.0 M10 MTB 0312 D06 1.0 ISO 5/16 .312 4 .65 2.5
1.0 M12 MTB 0375 D09 1.0 ISO 3/8 .375 4 .96 3.0
1.25 M8 M10 MTB 0250 C05 1.25 ISO 1/4 .249 3 .57 2.5
1.25 M8 M10 MTB 0250 C07 1.25 ISO 1/4 .249 3 .76 2.5
1.5 M10 M12 MTB 0312 C06 1.5 ISO 5/16 .306 3 .67 2.5
1.5 M10 M12 MTB 0312 C09 1.5 ISO 5/16 .306 3 .98 2.5
1.5 M14 MTB 0375 D08 1.5 ISO 3/8 .375 4 .86 3.0
1.5 M15-M19 MTB 0500 D10 1.5 ISO 1/2 .500 4 1.04 4.0
1.5 M20 MTB 0625 F13 1.5 ISO 5/8 .625 6 1.33 4.0
1.75 M12 MTB 0375 C07 1.75 ISO 3/8 .354 3 .79 3.0
1.75 M12 MTB 0375 C11 1.75 ISO 3/8 .354 3 1.14 3.0
2.0 M14 M17 MTB 0375 C10 2.0 ISO 3/8 .375 3 1.06 3.0
2.0 M14 M17 MTB 0500 D16 2.0 ISO 1/2 .433 4 1.54 4.0
2.0 M16 M18, M20 MTB 0500 D10 2.0 ISO 1/2 .465 4 1.06 4.0
2.0 M16 M18, M20 MTB 0500 D15 2.0 ISO 1/2 .465 4 1.54 4.0
2.0 M26 MTB 0750 F16 2.0 ISO 3/4 .750 6 1.61 4.0
2.5 M20 MTB 0625 E13 2.5 ISO 5/8 .591 5 1.33 4.0
2.5 M20 MTB 0625 E19 2.5 ISO 5/8 .591 5 1.92 4.0
3.0 M24 M28 MTB 0750 D15 3.0 ISO 3/4 .709 4 1.59 4.0
3.0 M24 M28 MTB 0750 D23 3.0 ISO 3/4 .709 4 2.30 5.0
3.0 M27 M28, M30 MTB 0750 D17 3.0 ISO 3/4 .750 4 1.71 4.0
Order example: MTB 08078 C17 1.5 ISO MT7 First choice Alternative
For thread mills with coolant through the flutes see next page
For small thread mills see pages B09-3, 4, 11, 15, 17 and B11-3, 6

B08-4