BT40 facemill holder also called facemill arbour and facemill adaptor
BT40 FMA60 Is mainly used to hold Modular Indexable Cutter with Internal hole of 16 mm any cutter can come with a 60mm Internal thread but normally 200 mm Cutters with 4 pcd holes are common in this range.
Made from alloy steel hardened to 54 56rcBalanced to G6.3 at 15,000 rpmsConcentricity is less than .005 micron upto 100 Length and 0.012 upto 200 LengthAll critical tool holder surfaces precision groundGage length is 100MM, Rear thread for pull stud is M16 X 2.0
