UNI Thread 3/0
UNI Thread 3/0 is a strong and versatile fly tying thread designed for larger fly patterns. Manufactured from high-quality polyester, it offers exceptional strength, a flat profile and excellent control while tying. The 3/0 • 220 Denier size is designed for flies tied on hooks larger than size #12, where bulky materials require maximum holding power and long-lasting durability. The light colour range is particularly well suited for tying light-coloured, natural-looking fly patterns where the thread blends seamlessly with the materials or provides an almost invisible foundation beneath translucent bodies.
Technical Specifications
| Material | Polyester |
| Thread Size | 3/0 • 220 Denier |
| Spool Length | 200 yd (approximately 183 m) |
| Profile | Flat |
| Manufacturer | UNI Products |
| Series | UNI Thread |
| Application | Large dry flies, nymphs, streamers, salmon, Steelhead and saltwater flies |
What is UNI Thread 3/0?
UNI Thread 3/0 is a classic fly tying thread developed for patterns that require maximum strength and secure control of bulky materials. Its slightly bonded construction helps resist fraying, while the flat profile spreads evenly over the hook shank to minimise bulk and produce neat, durable fly bodies. Thanks to its exceptional strength and smooth handling, it has become a trusted choice for tying larger freshwater and saltwater flies.
Key Benefits
- Strong all-purpose fly tying thread in 3/0 • 220 Denier.
- Designed for hooks larger than size #12.
- Flat profile helps minimise thread build-up.
- Slightly bonded construction helps prevent fraying.
- Suitable for both natural and synthetic fly tying materials.
- 200 yd (approximately 183 m) spool.
Ideal For
- Large dry flies
- Nymphs
- Streamers
- Salmon flies
- Steelhead flies
- Saltwater flies
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FlyFishing.bg RecommendationIf you regularly tie light-coloured streamers, salmon, Steelhead or saltwater flies, the light colour range of UNI Thread 3/0 will help you achieve a cleaner, more natural finish. Light threads blend easily beneath pale natural materials and synthetic fibres while providing the strength needed to secure bulky materials with complete confidence. |

- Denier220
- А type of threadPolyester
- Length, meters91


