Rolling Mill Drive Shaft is provided with a flange on the roll side that can be coupled centrally with the coupling sleeve attached to the roll shaft. The Rolling Mill Drive Shaft is a spline shaft penetrated centrally by an extensible part of a piston-cylinder unit. Hitech Bulk Handling System Pvt. Limited supplies Rolling Mill Drive Shaft. Hitech Bulk Handling System Pvt. Limited manufactures a wide range of Conveyors, Truck Loading Machines, Elevator, Crushers, Screening and Pneumatic Equipment and material handlings systems. The Rolling Mill Drive Shaft is available with a flange at the gear side that is connected with the drive by a spline shaft that enables the disengaging movement.