What are the different bobbin sizes?

What sizes do bobbins come in?

There are many different bobbin sizes in use today. The most common sizes are the L Class, M Class and Class 15 bobbins. A large percentage of commercial and home sewing/embroidery machines use one or more of these bobbin sizes. Chances are your machine does too, but the difference between them is sometimes confusing.

What is the difference between a Class 15 and Class 66 bobbin?

There are two standard types of bobbins: Class 15 for Removable (oscillating) bobbin cases and Top Drop-In Bobbin Cases and Class 66 for Top Drop-in Bobbin Cases. Bobbins have a notch on the inside opening. This locks the bobbin onto the bobbin winder.

Are Class 15 and 66 bobbins interchangeable?

Class 66 Bobbins

You will notice the relative shortness compared to the Class 15 bobbins. … Just like Class 15 bobbins, they can be purchased in plastic or metal. Most modern machines of this class will have a plastic one. Again, they can be interchanged, but it is not recommended.

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Do all bobbins fit all sewing machines?

There is no such thing as a universal bobbin, meaning no single bobbin will fit every sewing machine. Some sewing machines tolerate a slightly different bobbin better than others, but using the incorrect bobbin will most likely affect the stitch quality of your project, and could result in damage to your machine.

What size is a Class 15 bobbin?

The Class 15 (A Style) Bobbin:

The Class 15 is about the size of an American nickel. Its diameter measures approximately 20.3 mm and has a width of approximately 11.7 mm.

Are 15 and 15J Bobbins the same?

Definitely NOT interchangeable! They look almost identical, but class 15 bobbins have flat ends, while class 15J bobbins have slightly curved ends. Sometimes they appear to work interchangeably, but even if they fit into your sewing machine, there is a risk of them jamming your machine up and causing major damage.

Are plastic or metal bobbins better?

The short answer is YES! Filling a sewing machine bobbin too tightly can make a plastic bobbin bulge or stretch the thread if you are using a metal bobbin. This may be hard to see but can cause all kinds of problems. Plastic bobbins can become compressed in the center causing the bobbin to distort.

What is bobbins slang for?

bobbins (uncountable) (Lancashire, slang) crap, rubbish, something worthless or nonsensical quotations ▼

Can I use metal bobbins in My Brother sewing machine?

Plastic bobbins and metal bobbins of the same size can NOT be swapped. Machines are set for a very precise tension setting. If they are set for a lighter plastic bobbin, the tension will change if a heavier metal bobbin is used.

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What size bobbin does a Brother sewing machine use?

This machine uses SA156 bobbins which are class 15 type bobbins. Use of any other bobbin may result in injuries or damage to the machine. We recommend the use of Brother genuine parts and accessories.

What machines do class 66 bobbins fit?

Class 66 Bobbins

  • For machines with removable and top drop-in bobbin cases.
  • Fits some of the following machines: Singer, Baby Lock, Brother & Simplicity.
  • Clear, plastic bobbins.

Are all Singer Bobbins the same?

Bobbin Tips & Hints

Use only bobbins that are the same class/style as those that come with your machine – don’t substitute! SINGER® branded bobbins are recommended for best results.

Can you use plastic bobbins instead of metal?

The word on the street is that metal and plastic bobbins are not interchangeable. Even if they are the same class size, metal bobbins work in metal bobbin cases and plastic bobbins should be used in plastic bobbin cases. To learn which bobbin to use where just continue to read our article.

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