BT30 FMB 27 Face Milling Holder Arbour

BT30 FMB 27 Face Milling Holder ArbourThe BT30 face mill holder, also called face mill arbour and face mill adaptor. BT30 FMA27 is primarily used to hold Modular Indexable Cutters with a 16 mm internal hole. Any cutter can come with a 27 mm Internal thread, but 80 mm and 100 mm Cutters usually are usually standard in this range. Made from alloy steel hardened to 54 56rcBalanced to G6.3 at 12,000 rpmsConcentricity is less than .005 micron up to 100 Length and 0.012 up to 200 Length.All critical tool holder surfaces are precision-groundGage length is 45MM,90MMRear thread for pull stud is M12 X 1.75 [‘BT-30 Type’, ‘bt30facemillholder’, ‘bt30fmb27holder’, ‘bt30toolholderfacemillcutter’]