Page 318 - Carmex - Metric Catalog 2021

®
Mill-Thread Solid Carbide

NPT

Same Tool for Internal and External Thread

Grade P M K N S H
MT7     

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

27 1/16-1/8 MT 0606 C9 27 NPT 6 6.0 3 9.9 58
18 1/4-3/8 MT 0808 C14 18 NPT 8 8.0 3 14.8 64
14 1/2-3/4 MT 1212 D20 14 NPT 12 12.0 4 20.9 84
11.5 1-2 MT 1616 D27 11.5 NPT 16 16.0 4 27.6 105
8 ≥2 1/2 MT 2020 D39 8 NPT 20 20.0 4 39.7 105
Order example: MT 0808 C14 18 NPT MT7

NPT With internal coolant bore

Same Tool for Internal and External Thread

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

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

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

For thread mills with coolant through the flutes see next page
For conical preparation end mills see page B08-23

First choice Alternative
B08-20