The SM-5 produces a small concentrated flame for detail work. It has a .24 dia. pattern of 6 fuel slots and 7 oxygen holes.
The SM-7 provides a medium flame, useful for a multitude of glassworking tasks. It has a .32 dia. pattern of 6 fuel slots and 19 oxygen holes.
The SM-11 is our newest surface mix tip. It fills the gap between the SM-7 & the SM-21 surface mix tips.
The SM-21 produces the largest flame of the surface mix tips. It has a .63 dia. pattern of 8 fuel slots and 45 oxygen holes.
The PA-1 Adapter (7/16-24 Male X 3/4-16 Female) is designed for the 5S, 7S and 8M torches to allow the use of standard pre-mix fuel & oxygen tips.
National Torch is a specialty manufacturer of heating, brazing, and welding torches. Our products are made right here in the United States, where we have control over every stage of the manufacturing process.