How to sew an overcast stitch – by machine and by hand

At first when I started my sewing I used to use only the straight stitch and the zig zag stitch, even though my  sewing machine had a plethora of stitches. Then I discovered the rest of them – especially the Overcast stitch. Now it is a very frequently used one. 

Overcast stitch is that special stitch which you use to neaten up your edges. It prevents unraveling of the raw edges of the fabric – when sewn by machine as well as by hand.

No more frayed fabric edges and that too very easily – yay!

How to sew an overcast stitch by hand

Basically the hand overcast stitch involves small diagonal stitches evenly spaced out enclosing the fabric raw edge.It is a very useful hand stitch to know. I have used it a countless times to sew the edges of cute little handkerchiefs, which I also proceeded to embroider with small flowers. 

overcast stitch

Step by step hand overcast stitching

1. About 1/4 inch down from the fabric edge begin the stitching by bringing the needle out from back to the front. 
2. Take the needle and thread over to the other side of the cloth and from 1/4 inch (or closer if the fabric is very raveling) bring the needle out to the front of the fabric. Notice that the stitch has enclosed the fabric edge.
Repeat till full edge is enclosed by stitches.

How to sew an overcast stitch by Sewing machine

The overcasting stitch gives flat and even stitches, finishing the fabric edges very neatly and is a great improvement over the zig zag stitch I used to use earlier.

How I use this stitch is to sew the plain seam first with a straight stitch and then finish the edges with the overcast stitch. But you can do the reverse also. i.e finish the edges first and then sew the seam. For this, overcast the two edges together first, and then sew the regular plain seam on the seam allowance line.

Usually the seam allowances are separated and each seam is given an over cast edge. Then the seam is pressed open. Alternatively Both the edges can be stitched together as well and pressed to one side.

You can sew a neat enough overcast stitch with a regular foot but a special overcast foot is convenient to have. It has an edge guide in the front so that you can feed the fabric evenly along the raw edge. The bar in the the middle prevents puckering or bunching up of the fabric, if the stitch becomes tight.

These stitches are perfect for sewing knit fabrics as well as woven fabrics. Overcast stitch gives an enough stretch for those stretchy knit fabrics.

A double overcast stitching involves going over the overcast edge again from the end back to the beginning , making an X over the first stitch made. 

how to sew overcast stitch