BT30 Er20a-70L,100L Er Collet Chuck 22 mm cutter ER40 UM AND C TYPE

ER40 UM AND C TYPE Spanner Wrench is made from high-quality alloy steel

and transferring angles

8 mm Radius used on Steel

Run out tolerance is maintained by grinding by center to center and they have center hole both sides

BT30 Er20a-70L,100L Er Collet Chuck 22 mm cutter ER40 UM AND C TYPEBT30 Er20a 70L,100L Er Collet Chuck BT30 Tool Holder accepts all ER20 collets ER20 Collets range from 1 mm to 14 mm The thread inside 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 capabilityThe gauge length is 70mm,100MMRear thread for the pull stud is