Semperfli Nano Silk 30D 18/0


  • Nano Silk is regarded as the tying thread choice of professional fly yers world wide.
  • Being so super strong and available in such a variety of clours and Deniers it has endless possibilities and can be used for micro to medium flies.
  • Virtually unbreakable and still capable of being split down for dubbing twists there is no fly tying thread as stong as Nano Silk anywhere.
  • With Nano Silk you will have confidence that even the smallest of flies can be tied without your thread breaking!
  • Breaking Strains 1,140gm / 2.51lb strongest in test
  • Recommended hook size guide #16-#32
SKU: N/A Categories: , Product ID: 6903


Because Nano Silk lays perfectly flat you get no thread build up. Indeed check out our Youtube video where we put 100 wraps on a hook and still had no head buildup!

18/0 30 denier thread

  • Breaking strain 1,140g / 2.51lb
  • perfect on hook sizes 16 to 32
  • Lays perfectly flat with no build up, regardless of how many loops you put on the hook
  • 10 times stronger than steel of the same diameter
  • Pro Tips:

1 – rotate anti-clockwise to untwist and lay perfectly flat. With just 2 or 3 light wraps of Nano Silk over foam you can then tighten and tie in foams or materials that would cut easily.
2 – use white Nano Silk and simply color the last 4 inches (100mm) of thread for heads in a visible color

Not all GSP threads are the same as strength tests show. Nano 30D is available in black and white, with 100 metres on each spool or 50m for colored Nano 30D. We use the highest quality materials to ensure that there are no tangles and that it produces the smoothest and strongest GSP on the market in each size band. Search for Global Fly Fisher Thread Chart to see independent evidence!.

Note: with all GSP threads including Nano Silk Ultra 30D 18/0  you should always use a ceramic bobbin holder.

There are 50m / 54.6 yards (approx ) per spool of Nano Silk Ultra 30D 18/0 Copper

Additional information


Black, Copper, Red, Yellow, Orange, Dark Green, Purple, Brown, Olive, White


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