® Mill-Thread Solid Carbide G (55º) BSF, BSP 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 28 G1/8 MTB 08078 C14 28 W 8 7.8 3 14.1 64 28 G1/8 MTB 0808 C20 28 W 8 8.0 3 20.4 64 19 G1/4 MTB 1010 D16 19 W 10 10.0 4 16.7 73 19 G1/4 MTB 1211 D27 19 W 12 11.0 4 27.4 84 19 G3/8 MTB 1414 D26 19 W 14 14.0 4 26.1 83 19 G3/8 MTB 1414 D34 19 W 14 14.0 4 34.1 83 14 G1/2-7/8 MTB 1616 E26 14 W 16 16.0 5 26.3 105 11 G 1 MTB 1616 D38 11 W 16 16.0 4 38.1 105 11 G 1 MTB 2020 E47 11 W 20 20.0 5 47.3 105 Order example: MTB 1010 D16 19 W MT7 For small thread mills see pages B09-7, B09-14 and B11-5 G (55º) BSF, BSP With internal coolant through the flutes 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 28 G1/8 MTZ 08078 C14 28 W 8 7.8 3 14.1 64 19 G1/4-3/8 MTZ 1010 D16 19 W 10 10.0 4 16.7 73 14 G1/2-7/8 MTZ 1616 E26 14 W 16 16.0 5 26.3 101 11 G 1 MTZ 1616 D38 11 W 16 16.0 4 38.1 101 Order example: MTZ 08078 C14 28 W MT7 For small thread mills see pages B09-7, B09-14 and B11-5 First choice Alternative B08-15