Material - Morse taper drill sleeve made of 45# steel with good machine polishing, high precision, high internal and external smoothness. Shank Size - External taper MT4, Internal taper MT3, allows using a 3MT center in the 4MT bore of a lathe. Suitable - This reducing drill sleeve is suitable for CNC Lathe, milling, drill press and others. Size - This morse taper reducing adapter total length is 130mm/5.12inch.
