BT40 ER40 collet chuck UM-80L,100L,150L,200L Pack of 1 SPANNER ER40 ER16M Outside diameter is

ER16M Outside diameter is

you can use  JDMW09 from Mitsubishi Brand Insert into this

Has an ID thread of 30mm X 1

All critical tool holder surfaces are precision-groundGage length is 60MMRear thread for pull stud is M12X1

75 and 100 long

BT40 ER40 collet chuck UM-80L,100L,150L,200L Pack of 1 SPANNER ER40 ER16M Outside diameter isThe BT40 Tool Holder accepts all ER40 collets ER40 Collets range from 3 mm to 26 mm Thread 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