MT3 A-Type High Speed Live Center ~ Has an included 60° angle. ~ Made of precision ground hardened tool steel. ~ Two specially designed high-quality bearings. ~ Bearings are completely protected from the ingress of coolant, dirt or swarf. ~ Spindle is heat treated to HRC 60. ~ TIR is less than or equal to .0002″. ~ Maximum RPM is 6,000. ~ Load rate is 550 lbs. ~ Nose length is 1.16″. ~ Overall length is 6.5″. TIR is less than or equal to .0002″. Has an included 60° angle. Made of precision ground hardened tool steel. Overall length is 6.5″. Nose length is 1.16″.