SIR/L-U INTERNAL THREADING TOOLHOLDERS - U TYPE øD f ød L1 L *Right Hand Shown Designation d L L1 Dmin f SIL0310K08U 0.625 5.000 0.825 0.355 0.250 SIR0310K08U 0.625 5.000 0.825 0.355 0.250 SIR1250S22U 1.250 10.000 - 1.500 1.010 SIR1500T22U 1.500 12.000 - 1.850 1.120 SIL1250S27U 1.250 10.000 - 1.560 0.980 SIR1250S27U 1.250 10.000 - 1.560 0.980 1252