Semi-Automatic Portable Gas Cutting Machine. ₹ 15,000 Get Latest Price. Automatic Grade: Automatic , Semi-Automatic. Max Cutting Thickness: 60-80 mm, 5-20 mm, 40-60 mm, 0-5 mm. Cutting Speed: 0-200 mm/min, 200-400 mm/min, 400-600 mm/min, 600-800 mm/min, 800-1000 mm/min.