Perfect Tools is the leading manufacturer and supplier of “T.C.T. Long Slot Drill Bits – 473” from Ahmedabad, India. Technical Specification Code No.Dia (mm)C.L. (mm)Shank (mm)RotationPrice 4733/8"4012R.H585 4743/8"4012L.H615 4751/2"4012R.H692 4761/2"4012L.H738