Difference Between Chain Stitch and Lock Stitch

What is Chain Stitch?

The stitch which is formed by two or more sets of sewing thread (needle thread and looper thread) is called chain stitch. Here, threads are bound together by interlacing and looping. It should be noted here that, chain stitch strength is greater than lock stitch and back tacking is not needed at finishing side of stitch as security.

Chain stitch

Chain stitch

What is Lock Stitch?

The stitch which is formed by two sets of sewing thread (needle thread and bobbin thread) is called lock stitch. Back tacking is needed here as security at the starting and finishing side of stitch.

Lock stitch

Lock stitch

Comparison Between Chain Stitch and Lock Stitch:

SL No.
Chain Stitch
Lock Stitch
01
Chain stitch is formed by two or more sets of threads named needle thread and looper thread.
Lock stitches are formed by two sets of thread named needle thread and bobbin thread.
02
Thread consumption of chain stitch is higher than lock stitch.
Thread consumption of lock stitches are less than chain stitches.
03
In case of chain stitch, sewing threads are bound together by interloping and interlacing.
Here, sewing threads are bound together by interlacing.
04
Seam puckering possibility is more here.
Here seam puckering possibility is less than chain stitch.
05
Strength of chain stitches are greater than lock stitches.
Strength of lock stitches are less than chain stitches.
06
In case of chain stitch, extensibility stands normally at 30%.
Here, extensibility is less than 30%.
07
Chain stitch machine speed normally kept at 8000spm.
Here, machine speed normally kept at 6000spm.
08
Here, appearance of stitches are looked like lock stitches at top side and double chain at under side.
Here, appearance of stitch is same in both side.
09
Here, back tacking is not needed at finishing end of stitch.
Here, back tacking is needed in starting and finishing end of stitch.
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Mayedul Islam

Mayedul Islam is working as a Sr. Merchandiser in a reputed Buying House. He has great passion in writing different articles on textile and Garments specially on Merchandising and Garment Washing. Send email:mayedul.islam66@gmail.com

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