A 30-wt. thread is a “heavier” thread, meaning a thicker cross section, because a much shorter thread weighs the same as the 40 wt. In length measurements, higher numbers reflect thicker or heavier threads.
A thread is labeled 40 wt. when 40 kilometers of that thread weighs 1 kilogram. A 30 wt. thread is heavier because it takes only 30 kilometers of thread to weigh one kilogram.
A 30 weight thread is heavier than a 50 weight because it is denser and takes only 30 kilometers to equal one kilogram compared to 50. – The fraction on the thread spool tells you the weight and the number of plies or strands twisted together (for instance, 60/2 is 60 weight thread with 2 plies).
When discussing weight of thread, the smaller the number, the thicker the thread. The weight is determined by how many meters of thread it takes for a skein to weigh one kilogram. In this case, the 40 wt thread is slightly thicker (heavier) than the 50 wt thread.
40wt is a thread that is significantly heavier than 60wt, and noticeably heavier than the 50wt. While it is always good to have different size threads on hand, just in case, I don't usually sew on heavy fabrics, but I do consider the 40wt thread essential for my sewing stash.
It works great for top-stitching as it is a more noticeable stitch. This thick thread covers large areas faster with less stitches than a 40 weight thread. It therefore requires a larger needle and more machine tension. Use 30 weight for decorative stitches or to completely fill in your embroidery designs.
40 weight thread can be used for free-motion techniques, appliqué, garment construction, quilting, tacking…the list goes on! 40 weight thread can also be used in partnership with other threads.
A 30-wt. thread is a “heavier” thread, meaning a thicker cross section, because a much shorter thread weighs the same as the 40 wt. Length. In length measurements, higher numbers reflect thicker or heavier threads. “Denier” refers to the weight in grams of 9000 meters of thread.
Tex 70 is the heaviest commercial size recommended for home sewing machines. Heavier threads make your stitching more visible. The thread size measures the thread's thickness. If another weight is given for thread (like ounces), it refers to the amount of thread on the spool.
- Use a 40-50 weight embroidery thread as the top thread and 60 weight bobbin thread. When sewing: - Use 30-90 weight thread. Never use thread of 20 weight or lower; it may cause machine to malfunction.
To explain, all threads have a “weight” to them. The normal thread “weights” on the market for quilting or thread painting are 30, 35, 50, 60 and 100. The “weight” of the thread is normally listed on the side or bottom of the spool.
A thread count of 600 is the highest possible for single ply sheets.
Gutermann Cotton Sewing Thread is a fine 50 weight cotton thread but strong with a silky finish for users who prefer to sew with cotton.
Thread Weight
Heavier weight threads are more noticeable when they are used for quilting. A 40 weight thread is a popular choice for quilting while 30 weight threads are more visible. Lighter 50 weight threads usually blend into the fabric.
Size 40 crochet thread is a very common size for tatting projects, such as edgings, snowflakes, doilies, bookmarks, motifs, jewelry, etc. This size is also great for: Lace Knitted pieces such as lace edgings, doilies and motifs. Crocheted pieces such as doilies, motifs, jewelry, edgings, snowflakes, etc.
These are the types of threads that you will most frequently find, most often 40 or 50wt. They can be used for most construction, quilting, machine embroidery, sergers, and general purpose sewing.
A standard for all kinds of embroidery work, it's always good to have plenty of white thread close at hand. This 90-weight white bobbin thread is gauged specifically for Brother embroidery machines and perfectly balances the needle thread.
Such a thin thread is perfect for a variety of techniques, including English Paper Piecing, Hand Applique, Machine Embroidery, Machine Applique, Free Motion Quilting, Free Motion Couching, and more. Needle Recommendations: 70/10 or 80/12 Microtex/Sharp or Embroidery Needle (80wt in the bobbin) #10 hand sewing needle.
Usually made of synthetic materials and engineered to withstand high stress and tension, heavy-duty thread is best for sewing thick materials like denim, canvas, and leather. With a variety of weights and finishes to choose from, the best heavyweight thread depends on the material and its intended use.
A sheet should be at least 200 thread count to be considered good quality - a count typical of cotton sheets. Higher thread count sheets range from 300 to 800 and up, but 300 to 500 are common ranges for sheets made from Egyptian cotton, sateen, and bamboo.
It is the second heaviest weight thread that we offer and is perfect for double strand cross stitch, blanket stitch, hand applique, hand piecing, hand quilting, bobbin and machine lace, machine quilting, longarm quilting, machine embroidery and lower looper serging.
The term "weight" used sometimes for quilting and embroidery threads. This works really well but just for 2 ply threads. A 40/2 is a 40 weight thread… 20/2 is 20 weight etc. A 20/3 is not the same size ….
50wt Aurifil thread can be used for machine piecing, hand piecing, machine applique, hand needle turned applique, fine needlework, foundation piecing, miniature patchwork, detailed quilting, bobbin lace making, and machine embroidery.
Higher quality 50 wt. threads offer a nice thin thread that won't add a lot of bulk to seams when piecing a quilt. They are also ideal for machine quilting, appliqué, hand piecing, and hand appliqué.
The lower the number, the heavier the thread. Weight for thick, heavy threads is a lower number (8, 10, etc). For thin, light threads it's a higher number (50, 60).