Tool Holders Clamp mounting for indexable inserts Design:- for turning- cooling through aligned cooling nozzle and high-pressure cooling nozzle DIN ISO6989312164-3 ISO26623-1 - driving grooves at HST to ICTM standard - clamp holder for external machining can also be used for internal machining considering the D1 min. Note: L = left R = right *Version HP ready - info see page 23/367. HST T PSC D1 min. f 107.5° D1 min. f 107.5° A A 237023 HST T, 107.5°/55° SDHC L/R 237123 PSK, 107.5°/55° SDHC L/RType237023237123237023Amm237123AmmtaperfmmD1 min.mmIndexable insert 23 4011R   55 50 40 27 50 DC...11 T3... 4011L   55 50 40 27 50 DC...11 T3... 5011R —  — 60 50 35 65 DC...11 T3... 5011L —  — 60 50 35 65 DC...11 T3... 237023 237123 6311R   70 65 63 45 80 DC...11 T3... 6311L   70 65 63 45 80 DC...11 T3... 237025 HST T, 107.5°/55° PDHN L/R 237125 PSC, 107,5°/55° PDHN L/R typeType4015R 237025237025 237025 237125237125237025A237125Ataper237125AmmA mmtapermm  55mm 50 40fmmfmm27D1 min. mD1mmin. mm Indexable insert Indexable insert 50DN...15 06... 44001155LR    55  55 50 50 4 040 2277  5050 DDNN.....1.1550066...... 54001155RL —   55 — 50 60 4 050 3257  6550   DDNN.....1.1550066.....*. 55001155LR ——   — — 60 60 5 050 3355  6565   DDNN.....1.1550066.....*.*65302155RL——   70*60 65*5 0634355 8065DDNN.....1.1550066......*237025 237125 66332255LR     70*  70* 65 *65* 6 363 4455  8080 DDNN.....1.1550066...... 160302155LR   —  70* 100 65*— 61300 6435 12080 DDNN.....1.1550066...... 10015L  — 100 — 100 63 120 DN...15 06... Spare part for clamp mounting / boring bars For 237023 and 237123 1 Figure no. Spare part Design Item no. a TORX® key T15 505450 T15  b TORX® screw M4 × 9 237272 0409  2 7 For 237025 and 237125 3 Figure no. Spare part Design Item no. 8 c Intermediate layer for DN..1504... 238073 1504  c Intermediate layer for DN..1506... 238073 1506  g Clamping screw for toggle clamp 238077 0017  h Toggle lever for DN..1506... 238078 1504  www.precitool.de 23/371