What is bobbin fill thread
Mia Kelly
Published Mar 18, 2026
What is Bobbin Fill? Quite simply, it’s a lightweight thread that you wind on to your bobbin. You use this thread when using an embroidery thread for embroidery or decorative stitches.
What is the difference between bobbin thread and regular thread?
Machine embroidery bobbin thread is different from regular thread. First of all, It is a lot thinner. Typically, it is either 60 or 90 weight, whereas standard embroidery thread is typically 40 weight. … Another difference is that machine embroidery bobbin thread typically only comes in white.
What kind of thread is used for bobbin?
You will always want to use a lightweight polyester bobbin thread, such as BobbinFil or any other 60-70 weight thread. You can use whatever color you want, but you don’t need to change color to match the top thread. Your bobbin thread should not show through the top layer of stitching.
Do you need special thread for bobbin?
You will always want to use a lightweight polyester bobbin thread, such as BobbinFil or any other 60-70 weight thread. You can use whatever color you want, but you don’t need to change color to match the top thread. Your bobbin thread should not show through the top layer of stitching.Can I use regular thread for the bobbin thread?
As with any sewing thread, quality does make a difference. A quality bobbin thread can be almost as strong as normal sewing thread. Regular weight sewing thread would be used in almost all sewing, but bobbin thread is a welcome addition to your sewing basket when the need arises.
Why is my bobbin thread showing through in the embroidery?
In general, if you are seeing bobbin thread in your top stitching, the bobbin tension is too loose. This little screw on your bobbin housing allows you to adjust your bobbin tension.
Does bobbin thread show on top or bottom of fabric?
- Press. . …
- If you are still having problems with the tension confirm that you are using stabilizer on the back of the fabric.
- Verify that the bobbin thread you are using is 90 wt.
- Confirm that the machine is properly threaded. …
- Reinsert the bobbin.
What type of thread is best for sewing?
- Gutermann Sew-All Thread. Providing great quality and versatility, this polyester thread (50 weight) is suitable for all-purpose use. …
- Mettler Silk-Finish Cotton Thread. …
- American & Efird Serger Thread. …
- Coats & Clark Inc. …
- Singer Polyester Hand Sewing Thread.
Do you need bobbin for sewing machine?
Every lockstitch sewing machine uses a bobbin. Nearly every machine you’ll come across easily will rely on a bobbin to create tight and effective stitches. Even a basic zig-zag stitch requires a bobbin. All bobbins are tiny, but it’s not well-known that there are many different sizes.
What is bottom line thread?Bottom Line is a 60 wt./2-ply polyester thread that has been designed to be used as a bobbin thread. It’s fine diameter helps it to blend well and its filament construction makes it extremely smooth, so it glides through fabric when stitched.
Article first time published onWhat does the bobbin case do on a sewing machine?
A bobbin case, when used with the correct bobbin, will hold the bobbin snugly in place, which will allow the machine to neatly unravel it. The bobbin case also adds tension to the bottom thread, much like the tension assembly for the top thread.
Can you sew without a bobbin case?
You will not be able to “sew” anything without a bobbin. Top thread requires the bobbin thread to create a knot with each stitch and hold the thread in place.
What is the purpose of the feed dog when you are sewing?
Sewing machine feed dogs are metal teeth-like ridges that emerge from a hole in the throat plate of a sewing machine. Feed dogs move as you sew, gently gripping the bottom fabric to help it pass through the sewing machine and produce a high-quality stitch.
Is the bobbin the top stitch?
The perfect stitch is balanced, no top thread visible on the bottom and no bobbin thread visible on the top.
What holds the bobbin when thread is wound from spool to the bobbin?
Bobbin case – holds the bobbin and provides bobbin thread tension. Bobbin spindle- holds the bobbin while it winds.
How do I know if my bobbin tension is correct?
The thread should unwind just slightly and the bobbin case should drop an inch or two. If the thread unwinds without resistance and the case slips to the floor, your bobbin tension is too loose. If the bobbin case doesn’t budge, your bobbin tension is too tight.
When should I use bobbin thread?
When sewing with a machine, the thread wound around the bobbin links with the upper needle thread to form the bottom part of a stitch. Typically used in machine embroidery, quilting, and sewing fine fabrics, bobbin thread is lightweight and strong, adding little bulk while still securing stitches.
How much thread do you put on a bobbin?
Unwind about 18″ or so of thread and bring it around the backside of the bobbin winder tension disc, wind it around the tension disc one time. Some machines might have a thread guide before this step- if yours does, don’t skip it! Be sure to place your thread through all the thread guides on your machine.
How do I choose a thread for my sewing machine?
Choosing the Thickness of Sewing Machine Thread The heavier or thicker your thread the more visible your stitches will be. Use thicker threads for sewing thicker fabrics, they will be stronger. Consider what your project will be used for and the stresses and strains on the seams before choosing a thread.
Is it better to sew with cotton or polyester thread?
Fiber: Try to match thread fiber to fabric fiber. Cotton fabric should be sewn with cotton thread; polyester or manmade fiber should be sewn with polyester thread. … Polyester fiber is stronger than most natural thread, so over time, the stronger polyester thread can break the weaker cotton fiber of the fabric.
What is the most durable thread for sewing?
Polyester Thread has a little bit of stretch to it, so if you are planning to wear what you’re sewing, use polyester or nylon thread. Also, one major perk about poly thread is that it sheds less lint than cotton. Pure Silk Thread is really pretty, and really durable.
Who makes bottom line thread?
Bottom Line Thread from Superior Threads is an original bobbin thread for working with all types of top thread including metallics and designer threads.
What is the best thread to use for English paper piecing?
WonderFil has come up with a popular thread that will allow paper piecers to have the tightest, flattest seams possible. You may have heard of it. It’s called InvisaFil, and this is a 100wt thread, meaning it’s incredibly fine.
What is the best thread to quilt with?
For most quilting on a home machine, a 40-weight cotton thread is an excellent choice. Because the 40 weight cotton thread is heavier than the finer 50 weight cotton thread, quilting stitches will show up more easily on the quilt.
What is bobbin and bobbin case?
The bobbin case for the industrial sewing machine is a small but complex piece of the machine. … Some domestic machines have a bobbin case that is permanently fixed into the sewing machine. The purpose of the bobbin case is to support the bobbin in the sewing machine so that the machine stitches can be formed.
Are all bobbin cases the same?
While they are technically interchangeable in most cases, it is recommended that you only use one or the other. The weight of the bobbin can affect your tension and the way the thread feeds. These are the most common bobbins, as they are used with removable and inset bobbin cases.
Are plastic or metal bobbins better?
Plastic bobbins can become compressed in the center causing the bobbin to distort. With metal bobbins the thread may get “stuck” causing increased bobbin tension or even cause the bobbin to “jump” in the bobbin case. 4.
Does Hobby Lobby sell bobbin cases?
Keep your favorite bobbins at the ready in Bobbin Box! This plastic box contains twenty-five spaces which will perfectly nestle twenty-five different colors of bobbins. Keep the box in your sewing box, and keep it filled with all sorts of bright and bold colors.