BT30 FMB 27 Face Milling Holder Arbour

BT30 FMB 27 Face Milling Holder Arbour

BT30 face mill holder also called face mill arbour and face mill adaptor 

BT30 FMA27 Is mainly used to hold Modular Indexable Cutters with Internal hole of 16 mm any cutter can come with a 27 mm Internal thread but normally 80 mm AND 100 mm Cutters are common in this range. 

Made from alloy steel hardened to 54 – 56rc
Balanced to G6.3 at 12,000 rpms
Concentricity is less than .005 micron upto 100 Length and 0.012 upto 200 Length
All critical tool holder surfaces precision ground
Gage length is 45MM,90MM
Rear thread for pull stud is M12 X 1.75