Roller Material: 45 # steel
Surface treatment: Chrome-plated
Number of lines: 80~2000LPI
Longest length: 5000mm
Porosity: ≤ 1.5%
Deposition efficiency: 48-52%
Bond strength: >38MPa,>5500psi
Engraving network line number range: 60-2000LPI
Surface hardness: HV600-1000
Run-out: 0.01-0.03mm
Nest shape: Quad, hexagon, tri-helical etc.