ATOPLEE 1pc MT4 to MT3 Morse Taper Drill Sleeve Reducing Adapter for Lathe Milling

【High Quality】Made from high quality 45# steel.Using the overall quenching process, the drill sleeve has a longer life and impact resistance, high precision, and high internal and external smoothness. 【Specifications】Accuracy: 0.015mm, Hardness: 50 HRC;Inside Taper No:MT3,Outside Taper No:MT4 【Size】Inner diameter:23.5mm,Outer diameter:31.6mm,Full length:132mm. 【Usage】 Morse reducing sleeve is used for Morse taper shank, taper shank drill bit, reamer reducing . 【Package Included】1pc MT4 to MT3 Morse Taper Adapter