Harris machine cutting torches are designed to handle all types of machine cutting applications. Rugged and dependable, these torches provide up to 380 mm cutting capacity. Harris machine cutting torches are available in two tube and three tube design for all fuel gases at pressures as low as 0.015 bar. Solid head for maximum strength.All torches have inlet threads 9/16x18 UNF. Quick opening cutting oxygen valve for immediate full flow. Separate preheat and cutting oxygen valves for high and low preheat control. 3 tube design with optional rack (designated by R in the part number).