Page 320 - Carmex - Metric Catalog 2021

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Mill-Thread Solid Carbide

NPTF With internal coolant bore

Same Tool for Internal and External Thread

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

Pitch Standard Ordering Code d D No. of I L
TPI Flutes

27 1/8 MTB 08076 C10 27 NPTF 8 7.6 3 10.8 64
18 1/4-3/8 MTB 1010 D16 18 NPTF 10 10.0 4 16.2 73
14 1/2-3/4 MTB 16155 D22 14 NPTF 16 15.5 4 22.7 105
11.5 1-2 MTB 2020 D29 11.5 NPTF 20 20.0 4 29.8 105
8 2 1/2 MTB 2020 D39 8 NPTF 20 20.0 4 39.7 105
Order example: MTB 16155 D22 14 NPTF MT7

NPTF With internal coolant through the flutes
Same Tool for Internal and External Thread

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

Pitch Standard Ordering Code d D No. of I L
TPI Flutes

27 1/8 MTZ 08076 C10 27 NPTF 8 7.6 3 10.8 64
18 1/4-3/8 MTZ 1010 D16 18 NPTF 10 10.0 4 16.2 73
14 1/2-3/4 MTZ 16155 D22 14 NPTF 16 15.5 4 22.7 101
Order example: MTZ 1010 D16 18 NPTF MT7

For conical preparation end mills see page B08-23

First choice Alternative
B08-22