MB501 CONICAL NOZZLE HEAVY DUTYMB501 Conical Nozzle Heavy Duty The MB501 Heavy Duty Conical Nozzle is a replacement gas shroud designed for MB501 MIG torches. Built to withstand high heat and continuous welding, it delivers even shielding gas coverage while the conical shape improves access and visibility in tight welding areas. Ideal for industrial and high amperage MIG welding applications. Key Features Designed for MB501 MIG torches Heavy duty construction for high heat and