® Mill-Thread Solid Carbide PG DIN 40430 - With internal coolant bore Same Tool for Internal and External Thread Grade P M K N S H MT7      ≤ 47 HRc PitchTPI Standard Ordering Code d D No. ofFlutes I L 20 Pg 7 MTB 1010 D19 20 PG 10 10.0 4 19.7 73 18 Pg 9, 11, 13.5, 16 MTB 1212 D20 18 PG 12 12.0 4 20.5 84 16 Pg 21, 29, 36, 42, 48 MTB 1212 D23 16 PG 12 12.0 4 23.0 84 Order example: MTB 1212 D20 18 PG MT7 First choice Alternative B08-26