A full range 1/8″ to 3/4″ O.D. flaring tool for soft copper.

There are two big reasons to brush up on your flaring techniques—mini split air conditioners and R-410A.

Mini split A/C units are becoming more and more popular, and a large majority of the units use a flaring method to join the refrigerant tubes that connect the indoor and outdoor units. More specifically, flares are required on each end of the line set to connect the evaporator and condenser.

Since R-410A is a much higher pressure than older refrigerants, mini split manufacturers often require a larger diameter, deeper flare to produce stronger joints. While the angle of an R-410A flare is the same as a standard flare, it needs more surface for more area to seal against the flare fitting. This higher collar flare will work in all systems, not just R-410A.

The size of the flare is determined by how much tubing is pushed through the flare block, so if you’re using a tool like the YELLOW JACKET Eccentric Cone Flaring Tool (60295), be sure to check the manufacturer’s height requirements for R-410A.

To take the guesswork out of the height, use a flaring tool specifically designed for R-410A, such as the YELLOW JACKET Deluxe 45° Flaring Tool (60278). It features a built-in height stop that helps you meet larger R-410A flaring requirements without the guesswork.


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  1. Designed with the new R-410A system requirement in mind
  2. Self-centering yoke grips without marring or constricting tube
  3. Automatic tube height gauge for correct tubing height
  4. Multi-faceted burnishing cone produces a burnished flare seat for a positive seal
  5. Easy-to-use with four basic steps
  6. Made in the USA




Deluxe flaring tool for 1/8″ to 3/4″ O.D.

  1. Retract cone before wing nut is loosened. Loosen wing nut and swing clamp bolt out. Separate clamping dies as shown. Read sizes from bottom of tool. Rotate clamp dies to the desired size.


  1. When tool is opened, the gauge automatically swings over tube opening. Insert tubing to gauge. CLEAN and OIL face of cone before each flare is made. Note: Oil selection may require considerations such as refrigerant compatibility.)


  1. With tubing set at proper height and dies clamped together, the automatic gauge has swung out of position and tubing is ready to flare. A rather steady resistance will be felt as the cone flares the tubing. This force will suddenly increase as the tubing reaches the outer mandrel. DO NOT advance the cone further. Failure to comply can result in nicks in the flaring cone. Reverse handle and tubing will be burnished automatically.


  1. After the flare has been made and the cone retracted, unclamp and remove tubing. The automatic burnishing mechanism will produce a perfect radius at neck and highly polished flare face.


Keep tool well lubricated. It is particularly important that the wing nut threads, the wing nut mating threads, and the feed screw threads be lubricated whenever they appear to be dry. Failure to lubricate these areas may result in undersize flares and tool damage. Although not as critical, all other moving parts should be periodically lubricated to maximize tool life.

The looseness of the cone feed screw assembly is intentional