® D-Thread D-Thread Mill-Thread Inserts & Toolholders for machining deep threads Ordering Code Insert SizeLI.C Y D D1 L1 L2 No. of InsertInsertsScrewTorxKey *SR0015M11U 11U 1/4U 5 14.8 16 150 55 1 SE11 K11 **SR0021M11U 11U 1/4U 5 20.6 25 150 65 2 SE11 K11 SR0023M11U 11U 1/4U 5 23 25 150 88 3 SE11 K11 * Pitch limitations: for partial 60° - INT. - 10-9 TPI, EX. -12 - 10 TPI; for partial 55° - 12 - 9 TPI ** Pitch limitations: for partial 60° - INT. - 10-8 TPI, EX. -12 - 9 TPI; for partial 55° - 12 - 9 TPI Partial 60˚ Size 11U Partial 55˚ Size 11U Ordering Code Pitch Ordering CodemmTPI PitchTPI 11U 60D INT. 2.5 - 4.0 10 - 6EX.2.0 - 3.012 - 811U 55DINT./EX. 12 - 7 11U 60D-18-12 INT.EX. 1.5 - 2.0 18 - 121.25 - 1.7520 - 14 Coated Grade: BMA B05-3