Page 342 - Carmex - Inch Catalog 2022

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Mill-Thread Solid Carbide

NPS With internal coolant bore

Same Tool for Internal and External Thread - Inch Shank

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 MTB0312C04 27 NPS 5/16 .299 3 .43 2.5
18 1/4-3/8 MTB0375D06 18 NPS 3/8 .375 4 .64 3.0
14 1/2-3/4 MTB0625D08 14 NPS 5/8 .610 4 .89 4.0
11.5 1-2 MTB0750D11 11.5 NPS 3/4 .750 4 1.17 4.0
Order example: MTB 0375 D06 18 NPS MT7

NPSF With internal coolant bore

Same Tool for Internal and External Thread - Inch Shank

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 MTB0312C04 27 NPSF 5/16 .299 3 .43 2.5
18 1/4-3/8 MTB0375D06 18 NPSF 3/8 .375 4 .64 3.0
14 1/2-3/4 MTB0625D08 14 NPSF 5/8 .610 4 .89 4.0
11.5 1-2 MTB0750D11 11.5 NPSF 3/4 .750 4 1.17 4.0
Order example: MTB 0312 C04 27 NPSF MT7

First choice Alternative
B08-24