BT30 Er32 Um-70l,100l,150l Er Collet Chuck
BT30 Tool Holder accepts all ER32 collets
ER32 Collets range from 1 mm to 20 mmThe 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 capabilityThe gage length is 70mm,100MM,150MMThe rear thread for the pull stud is M12 X 1.75
All holders can become a through coolant by simply removing the screw in the centre with an allen key.
