D1D1 ® Spiral Mill - Thread Toolholders Toolholders with internal coolant bore D A L1 L Insert InsertOrdering CodeTypesize ADD1 L L1 No. ofInsertsScrew Key SRH13S-1 H13 27 13 20 80 26 1 S13 K11 SRH13-1 H13 27 13 20 90 35 1 S13 K11 SRH15-1 H15 27 15 20 95 40 1 S15 K11 * SRH17-2 H17 27 17 20 85 30 2 S17 K11 * SRH17J-2 H17 27 17 20 100 45 2 S17 K11 SRH19-2 H19 27 19 20 85 30 2 S19 K11 SRH19J-2 H19 27 19 20 110 55 2 S19 K11 SRH19-3 H19 27 19 20 85 30 3 S19 K11 SRH19J-3 H19 27 19 20 110 55 3 S19 K11 * When using NPT, NPTF, BSPT inserts the cutting diameter D = 18 mm with internal coolant bore D A L1 L Ordering Code Insert InsertTypesize AD D1 L L1 No. ofInsertsScrew Key SRH23-2 H23 27 23 25 110 50 2 S23 K21 SRH23M-2 H23 27 23 25 150 75 2 S23 K21 SRH28-3 H28 32 28 32 150 75 3 S32S K22 SRH32-5 H32 32 32 32 130 60 5 S32 K22 SRH32P-5 H32 32 32 32 180 90 5 S32 K22 B04-9