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