Page 340 - Carmex - Inch Catalog 2022

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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 0312 C04 27 NPTF 5/16 .299 3 .43 2.5
18 1/4-3/8 MTB 0375 D06 18 NPTF 3/8 .375 4 .64 3.0
14 1/2-3/4 MTB 0625 D08 14 NPTF 5/8 .610 4 .89 4.0
11.5 1-2 MTB 0750 D11 11.5 NPTF 3/4 .750 4 1.17 4.0
8 2 1/2 MTB 0750 D15 8 NPTF 3/4 .750 4 1.56 4.0
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 mm Flutes

27 1/8 MTZ 08076 C10 27 NPTF 8 .299 3 .43 2.5
18 1/4-3/8 MTZ 1010 D16 18 NPTF 10 .394 4 .64 2.9
14 1/2-3/4 MTZ 16155 D22 14 NPTF 16 .610 4 .89 4.0
Order example: MTZ 1010 D16 18 NPTF MT7

For conical preparation end mills see page B08-23 First choice Alternative
B08-22