... machine 1,SUIT UPRIGHTS, BEAMS 2,Hydraulic Punch 3,Roller Feeder roll forming machine LMS ON-LINE HOLE-PUNCHING ROLL ... COMPOSITION:(1) Manual / Hydraulic Decoiler(2) Leveling Machine (Optional)(3) Roller Feeder(4) Hydraulic Punch(5) Roll Forming Machine (Common Structure / ... GCr15, hardness after heat treatment HRC48-50, hole diameter (roller shaft diameter) φ42mm, the min. outside diameter of rollers ...