® Mini Mill-Thread Partial Profile 55˚ Same Tool for Internal and External Thread Grade P M K N S H MT11 ≤ 62 HRc PitchTPI Ordering Code d D No. ofFlutes I L 40-32 MTI 03023 C7 A55 3 2.25 3 7.0 39 28-20 MTI 06044 C14 A55 6 4.35 3 14.0 58 28-18 MTI 06059 C20 A55 6 5.85 3 20.5 58 20-14 MTI 0807 C23 A55 8 7.00 3 23.0 64 Order example: MTI 03023 C7 A55 MT11 First choice Alternative B09-14