The BT50 Tool Holder accepts all ER16 collets
ER16 Collets range from 1 mm to 12 mmThread inside the internal stop screwMade 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 precision groundCoolant through capabilityGage length is 100MM,150MM
Rear thread for pull stud is M16 X 2.0
All holders can become cool through coolant by simply removing the screw in the center by allen key.
