Embroidery Thread Spool & Cone KITS, Polyester & Rayon, Pre-Wound Bobbins, Bobbin Thread Spools & Bobbin Winders for Machine Sewing

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Additional Information:
Just a few years ago, there were only three common sizes of thread in the U.S. Thin threads were labeled 50 wt., regular weight threads were labeled 40 wt., and heavy threads were labeled 30 wt. These numbers, 30, 40, and 50, were borrowed from another standard, known as the Gunze Count standard, establish by thread factories in Japan. If a thread was labeled as a #40 or 40/3 in Japan, it was labeled a 40 wt. thread in the U.S. Likewise, if a thread was labeled #50 or 50/2 or 50/3 in Japan, it was called a 50 wt. thread in the U.S. The problem is that a 50/2 thread and a 50/3 thread are different. The first number follows the Gunze Count standard and indicates the thread size. The larger the number, the finer the thread. The second number indicates the number of strands, or plies, twisted together. Obviously, a 50/3 is heavier than a 50/2 because it has three strands of a size 50 thread twisted together and the 50/2 has only two. The misunderstanding in the U.S. weight system came about because importers started labeling #30 thread as 30 wt., #40 thread as 40 wt., and #50 thread as 50 wt., regardless of the number of strands comprising the thread. That means a 50/2 and a 50/3 thread were both labeled as 50 wt. thread even though one is 50% heavier than the other. As a result, many products that use the weight classification have labels that are inaccurate.

Thread of Truth Knowledge from YLI

General Thread Terms Glossary of Terms Wondering what a Zig Zag Lockstitch is? Are you baffled by long, unpronounceable names? Our General Thread Terms Glossary gives you the full A-Z on everything textile. A complete guide to seam types, stitches, thread science, retail solutions, technical support and resources.

Ever wonder how many stitches you can get from a cone of Floriani 40 weight polyester thread? These are approximate values: 5000 meter/5500 yard cone 1,000,000 stitches, 1000 meter/1100 yard spool 200,000 stitches, 200 meter/220 yard spool 40,000 stitches.

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A&E GP43 Signature 6 Spools x500Yds 40wt 3Ply Cotton Quilting Thread
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Ozeki Brother Japan UltRapos 9 Cones Radiant Metallic Embroidery Thread Kit 2 plus Sample Spool Glittery!
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Isacord 2922 You Select 12 Colors Embroidery Threads, 40wt Poly, 1100Yd Cone Spools, UV Light Resistant
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Isacord 2914- You Select 6 Colors, 5500Yd 5000M Poly 40wt Embroidery Thread Cones, UV Resistant
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