MT6-75 DEGREE 8 INCH BULL NOSE LIVE CENTER | Used for pipe and other hollow-shaped work machining. | Drawbar end. Used for pipe and other hollow-shaped work machining. Drawbar end is 1″-8. a is 1.57″. A is 7.87″. B is 4.82″. Overall length is 12.60″. Load rate is 4,409 lbs.