F1-MS2, F1-MS3,F1-MS4,F1-ISO30,FI-ISO40 F1-MS2, F1-MS3,F1-MS4,F1-ISO30,FI-ISO40ModelOut diaClamping holeBoring hole rangeScale screw scaleF1-125012φ10-1250.01mmF1-1/2”1/2”0.001”F1-187518φ12-1600.01mmF1-3/4”3/4”0.001”F1-2510025φ15-63000.01mmF1-1”1”0.001” F1 boring head