KARAM TECHNICAL SPECIFICATION OF FLOOR BORING MACHINE SR NO. DESCRIPTION MM 1. ALLOY STEEL WORK SPINDLE HARDENED & GROUND DIAMETER 100 2. MORSE TAPER NUMBER 6 3. MAX. LONGITUDINAL MOVEMENT OF WORKING SPINDLE 600 4. NUMBER OF SPINDLE SPEEDS 9 5. RANGE OF SPINDLE SPEEDS - R.P.M....