Standard Hem Measurements – Part 5

Another option for circular hems is to roll the hem on a serger.  Always test the stitch on a scrap of similar fabric.  Outside curves are perfect for this type of hem.
The needle tension should be fairly snug (4 to 8), the upper looper should be at a standard setting (about 4), and the lower looper will be tight (about 8 or 8.5).  (These settings are for machines with tension dials that range from 0 to 9.)  You can test the stitch and adjust the tension.
Usually, the length of the stitch is set to 1 (which is a regular length).  Anything shorter will stretch the fabric and create a lettuce edge.  Anything longer will show the fabric between the stitches.

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