difference between a single flare and double flare tool ...
Dec 23, 2001 · A single flare is exactly what the name suggests. The tubing is just flared at the end. A double flare is made by the end of the tubing being rolled/folded inside itself, then the double layer is flared. This takes a flaring tool with various size inserts (they have a head with a groove in it), which are placed in the end of
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