... Fiber Laser Cutting Machine for Thin Metal Sheet 6mm Hardware Electronics6MM Metal Cutting!!!7 years experience !!! 20m/min ... automobile, metal craft, spring, electronic part, eyeglasses, circuit board, hardware industries etc.Samples:Features :1) High speed, efficient, low-cost ... 3mmCutting Parameters : Thickness Types of metalMax cutting speed (m/min)Assistant gas1 mmMild steel8-9Oxygen2 mm2.5-3.53 ...