can you drill a vent hole in a gas grill
Natural Gas Grills â. Natural Gas Grill orifices that are 30â³ Tube burner uses #42 = 2.35mm hole. Back burners average. Natural Gas Grill orifices that are 36â³-42â³ cast or brass burner burner uses #42 or 2.35mm hole. Back burners average between #48mm = 1.93mm hole and #53 = 1.5mm hole.