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Winding Bobbins vs. Using Pre-wound Bobbins for Heavy Duty Sewing Applications

Are you wondering whether its more beneficial for you to wind your own bobbins in-house or purchase pre-wound bobbins from a thread manufacturer?

In our latest video tutorial, I discuss the advantages and disadvantages of winding your own bobbins versus purchasing pre-wound bobbins from a thread manufacturer.


In short, there are pros and cons to both options however the best option typically depends on the style and size of bobbin your machine requires.  Larger bobbin styles, like the Style 41, are wider and there is much more room for error when winding, so it's typically more beneficial to buy these pre-wound from a manufacturer if you want to maximize efficiency.  Smaller bobbins, like the Style U, M, G, A & 58, are more narrow and there is not as much room for error when winding, so it can be more beneficial for sewing operators to wind narrow bobbins while sewing.

Pros and Cons of buying pre-wound bobbins


  • Simple/Easy. Just pull out the box and place it in the machine
  • Consistent
  • Less chance of backlash
  • Can have plenty in stock, ready to go
  • Can have more thread per bobbin
  • Does not require keeping track of metal flanged bobbin


  • Generally cost a little more
  • Quality is dependent on the supplier, no control of quality in-house
  • If not set up and knowledgeable on how to wind bobbins, can be temporarily shut down if bobbin supply is interrupted. (Purchasing or supplier at fault)
  • For specialty thread or dyed threads, pre-wound bobbins have a longer lead time associated with them. If winding in house, there will be no delay

Contact Service Thread with additional questions about preventing common sewing problems and maintaining your machines. We are always here to help.

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