What does denier mean in thread?
Robert Guerrero
Updated on February 27, 2026
In respect to this, what is tex70 thread?
Tex is an accurate measurement and is considered a direct numbering system, meaning the higher the Tex number, the heavier the thread. This means if 1,000 meters of thread weighs one gram, it is Tex 1. If 1,000 meters of thread weighs 25 grams, it is Tex 25.
Subsequently, question is, what kind of thread is used for fly tying? Three basic thread types dominate the fly tying market. Nylon, Polyester and Kevlar are the most used threads by today's tiers. Silk or newer gel spun polyethylene (GSP) is also available if one looks hard enough. Nylon and polyester are cheap, thin and strong, making them ideal for tiers.
Furthermore, what is the strongest fly tying thread?
200 Denier is best for tying large deer hair flies. Ultra GSP (Gel Spun Polyester) is some of the strongest thread on the planet. With a very small diameter of only 100 denier, it has a 8 lb. breaking strength.
What does sewing thread size mean?
6 Quick Tips about Thread Size V-69 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.
Related Question Answers
What size needle is used for #69 thread?
Use size 69 nylon thread with a size 100/16 to 110 /18 needle. It is the thickest thread most home sewing machines can handle.How thick is #69 thread?
| Minimum Needle US/Metric | Thread Size: V (T) [Ticket] | Diameter |
|---|---|---|
| 14/90 | 46 (T45) [Tkt 60] | .0094" (.238mm) |
| 16/100/ or 18/110 | 69 (T70) [Tkt 40] | .0115" (.292mm) |
| 19/120 | 92 (T90) [Tkt 30] | .0133" (.337mm) |
| 22/140 | 138 (T135) [Tkt 20] | .0163" (.414mm) |