... hole A. Laser Cutting B.4.5mm hot plate cut outline and round hole1.A dragon dyadic gate structure,total flying optical ... , automatic pallet change.4. Back reflection isolator, protect laser generator, meet the demand of stainless steel, aluminium steel and copperplate process5,By CNC ... , Stw22 ) - 20 mmStainless steel - 12 mmAluminum - 0.5~8 mm 4.5mm hot plate cut outline and round hole