Why is the underside of my stitching loose?

How do you fix a loose bottom stitch?

Stitches are loose on the top and/or bottom

  1. The upper threading could be threaded incorrectly. …
  2. Check the bobbin. …
  3. Change the needle.
  4. Check the combination of the needle and thread size as well as the fabric you are trying to sew on. …
  5. Using a scrap piece of material sew out your stitch and adjust the thread tension.

How do you tighten the bottom stitch on a sewing machine?

You should see a small screw on the flat/closed side of the bobbin case. Turning the screw a tiny bit counterclockwise will loosen the bobbin tension; turning it clockwise will tighten the tension.

Why is my sewing machine gathering thread underneath?

Your Thread Tension Is Too Tight

Sewing machine manufacturers suggest that you don’t mess with your bobbin thread tension too much, but you should adjust your upper thread tension if you keep getting bunched up thread underneath your fabric. If your tension is too tight, it can pull your thread and break it.

Why is my bottom stitch not straight?

If your thread is pulled tight on the underside and not forming an even stitch then (counter-intuitively) it’s usually the top thread tension that’s wrong. Sometimes very lightweight fabrics such as sheers can get dragged down into the machine so it’s a good idea to use a straight stitch plate.

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Why is my bottom bobbin not catching?

First, your needle may be dull or damaged and needs to be replaced. You should also check that you are using the correct needle for the type of fabric you are sewing. … If the needle is not inserted correctly, it will not be able to pull up the bobbin thread and will cause skipped stitches.