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12/0 (11)
170Den (4)
8/0 (2)
18/0 (1)
18/0 (15)
3/0 (15)
Pure Silk 3/0 (12)
  • Semprfli Nano Silk 30D 18/0 Gray Nano Silk is regarded as the tying thread choice of professional
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    Semperfli

    Nano Silk 30D 18/0 Gray

    Nano Silk Ultra 30D 18/0 Gray Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it...

    £3.99
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  • Semprfli Nano Silk 30D 18/0 Dark Green Nano Silk is regarded as the tying thread choice of professional
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    Semperfli

    Nano Silk 30D 18/0 Dark Green

    Nano Silk Ultra 30D 18/0 Dark Green Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and...

    £3.99
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  • Semprfli Nano Silk 30D 18/0 Brown Nano Silk is regarded as the tying thread choice of professional
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    Semperfli

    Nano Silk 30D 18/0 Brown

    Nano Silk Ultra 30D 18/0 Brown Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it...

    £3.99
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  • Nano Silk Ultra 30D 18/0 Beige
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    Semperfli

    Nano Silk 30D 18/0 Beige

    Nano Silk Ultra 30D 18/0 Beige Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it...

    £3.99
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  • Nano Silk Ultra 30D 18/0 Black
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    Semperfli

    Nano Silk 30D 18/0 Black

    Nano Silk 30D 18/0 Black Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it has...

    £3.99
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  • Semprfli Nano Silk 30D 18/0 White Nano Silk is regarded as the tying thread choice of professional
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    Semperfli

    Nano Silk 30D 18/0 White

    Nano Silk Ultra 30D 18/0 White Nano Silk Ultra 30D 18/0 is regarded as the tying thread of choice of professional fly tyers worldwide and is the best GSP thread on the market! Being so super strong and available in such a variety of colors and deniers it...

    £3.99
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  • Nano 300D Saltwater & Hair Stacker
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    Semperfli

    Nano Silk 300D Saltwater & Hair Stacker White

    Nano 300D Saltwater & Hair Stacker Nano Silk 300D 100m is the ultimate thread choice for crafting large flies and hair stacking, particularly designed for saltwater fly tying. With its robust 300D thickness, this thread offers unparalleled strength...

    £2.99
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  • SemperFli Classic Unwaxed Spyder Thread
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    Semperfli

    SemperFli Classic Unwaxed Spyder Thread

    Spyder Thread 18/0  Spyder Thread 18/0 is a fine 30D, 18/0 traditional tying thread, and is specially developed to be semi translucent so that the threads help adopt the shade of the fly pattern. Spyder Thread 18/0 has 2 fine strands of thread...

    £1.75
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  • SemperFli Peacock Quill Subs SemperFli Peacock Quill Subs
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    Semperfli

    SemperFli Peacock Quill Subs

    Quill Subs Peacock is part of a range of Peacock Quill Subs. Quill Subs Peacock was designed to be particularly special in that it has that same amazing multicolor iridescence of natural peacock which is very difficult to reproduce in a synthetic...

    £3.99
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  • Semperfli Fly Tying Floss (All Colours) Semperfli Fly Tying Floss (All Colours)
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    Semperfli

    Semperfli Fly Tying Floss (All Colours)

    Semperfli Fly Tying Floss Different to other flosses on the market Fly Tying Floss is a thin floss, just 400 Denier that can be used for smaller trout flies and simply doubled over for use on Salmon patterns including classic salmon flies. By creating a...

    £1.75
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  • Semperfli Micro Metal
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    Semperfli

    Semperfli Micro Metal

    Semperfli Micro Metal Antique Gold - Hybrid Thread, Tinsel & Wire Ultra lightweight Micro Metal is a new Hybrid fly tying product, thin enough to be used as a thread, looking like tinsel with its metallic looking coating this can be used for ribs or...

    £3.99
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  • Semperfli Flat Braids
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    Semperfli

    Semperfli Flat Braid 1.5mm 1/16"

    Flat Braid 1.5mm 1/16"  are flat braids and Flat Braid 1.5mm 1/16" can be used for flies from small to large salmon, streamer and saltwater patterns. These braids are extremely strong and tie in easily. Pull tight and the strand becomes narrow and...

    £3.40
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  • Semperfli Classic Waxed Thread 18/0 240 Yards
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    Semperfli

    Semperfli 18/0 Waxed Thread (Black & White)

    Classic Waxed Thread 18/0 240 Yards  Classic Waxed Thread 18/0 240 Yards is part of the Semperfli 18/0 30 denier range of Classic Waxed Threads (CWT) which have been designed specifically for fly tying for midges and all micro flies. Classic Waxed...

    £2.99
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Nylon Thread:

Polyester Thread:

Nylon threads are strong, stretchy, and available in a wide range of colors and sizes. They often have a smooth finish and can lay flat or be twisted. Uses: Ideal for general-purpose tying, securing materials, and building bodies. Nylon threads are versatile and suitable for both small and large flies.

Polyester threads are known for their durability and resistance to UV light. They tend to be slightly stiffer than nylon. Uses: Often used for tying saltwater flies and large streamers where durability is crucial. Also suitable for flies exposed to harsh conditions.

GSP (Gel-Spun Polyethylene) Thread:

Silk Thread:

GSP threads are ultra-strong, thin, and have little to no stretch. They offer high tensile strength for their size. Uses: Ideal for tying very small flies where strength is needed without adding bulk. Commonly used for tying fine, delicate patterns, and large, durable flies.

Traditional and natural, silk threads have a smooth, glossy finish. They come in a variety of colors and are prized for their sheen. Uses: Popular in classic and traditional fly patterns, especially for dry flies. Silk threads provide a natural look and are used in heritage fly tying.

    Thread Sizes

  • ➤ 3/0: Very thick, used for large flies, bass bugs, and saltwater patterns.
  • ➤ 6/0: Medium thickness, suitable for most general-purpose tying, including larger nymphs and streamers.
  • ➤ 8/0: Fine thread, used for smaller flies, dry flies, and nymphs.
  • ➤ 12/0: Very fine, ideal for tiny flies and delicate patterns.
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