BT40 ER40 collet chuck UM-80L100L150L200L Pack of 1

The BT40 Tool Holder accepts all ER40 collets ER40 Collets range from 3 mm to 26 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 are precision-groundCoolant through capabilityGage length is 70mm,100MM,150MM,200MMRear thread for pull stud is M16 X 2.0 All holders can be removed through the coolant by simply removing the screw in the centre with an allen key. [‘bt 40’, ‘BT-40 Type’, ‘BT40 ADAPTOR’, ‘BT40 holders’, ‘bt40er40colletholder’, ‘bt40er40longadaptor’, ‘bt40er40tool’]