There are three main types of materials used in the manufacture of tying thread – Silk, GSP and Polyester.

(Please do avoid the “cotton threads” available from well known auction sites that appear to be very good value – they have very little strength, fray easily and rot very quickly!)

By far the most useful are Polyester threads – they grip the hook shank very well and most can be both split and corded, depending on the style of pattern you are tying.

Most threads are rated using the “Ought system” – for example, 6/0, 8/0 etc. Remember that the smaller the number, the stronger / thicker the thread – so a 10/0 thread is THICKER than a 12/0 thread. By far the strongest of the Polyester threads are those offered by VEEVUS of Denmark …

Browse the full range by scrolling down the page – or narrow your search by thread size :

16/0 thread and finer …
14/0 thread …
12/0 thread …
10/0 thread …
8/0 thread …
6/0 thread …
3/0 thread and thicker …

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  • “Spool Straps” – UNI Quick View
  • Big Fly Thread – 3/0 Quick View
    • Big Fly Thread – 3/0 Quick View
    • Big Fly Thread – 3/0

    • £3.49
    • Designed specifically for big saltwater flies, bass bugs and other tying applications where a very strong, easily-handled thread is necessary. The thread is constructed from Polyester so it won't dull fly-tying scissors.
    • This product has multiple variants. The options may be chosen on the product page
  • Caenis Thread – 18/0 Quick View
    • Caenis Thread – 18/0 Quick View
    • Caenis Thread – 18/0

    • £2.25
    • This is a 20 denier single strand nylon thread  - one of the finest in size on the market today.
    • This product has multiple variants. The options may be chosen on the product page
  • Danville’s Monocord – 3/0 Quick View
    • Sale!
      Danville’s Monocord – 3/0 Quick View
    • Danville’s Monocord – 3/0

    • Original price was: £3.95.Current price is: £1.95.
    • Danville Monocord is rated at a 3/0 but does tie fairly slim - very popular for saltwater and larger steelhead and salmon flies.
    • This product has multiple variants. The options may be chosen on the product page
  • Danvilles Flymaster 6/0 Quick View
    • Danvilles Flymaster 6/0 Quick View
    • Danvilles Flymaster 6/0

    • £1.95
    • This is a superb thread for small to medium patterns - it lays flat and when corded, gives very little build- up. Although Danvilles Flymaster is rated as 6/0, it is only 70 denier so surprisingly fine for its breaking strain of 11 oz.
    • This product has multiple variants. The options may be chosen on the product page
  • Glo in the dark Thread Quick View
  • Gordons Griffiths Sheer Thread – 14/0 Quick View
  • Gordons Griffiths Wisp Thread – 8/0 Quick View
  • Textreme Standard 6/0 Quick View
    • Sale!
      Textreme Standard 6/0 Quick View
    • Textreme Standard 6/0

    • Original price was: £1.95.Current price is: £1.25.
    • This is a superb thread for medium to large patterns - it lays flat and when corded, gives very little build- up. Although rated as 6/0, it is only 110 denier so surprisingly fine for its breaking strain.
    • This product has multiple variants. The options may be chosen on the product page
  • Thread CutterThread Cutter Quick View
    • Thread CutterThread Cutter Quick View
    • Thread Cutter

    • £9.95
    • This is a rigid plastic handled tool,  equipped with a special V-shaped steel blade that enables you to cut your thread quickly and accurately.
  • TrimmerTrimmer Quick View
    • Out of Stock
      TrimmerTrimmer Quick View
    • Trimmer

    • £8.95
    • This is a rigid plastic handled tool,  equipped with a steel blade for accurate and precise trimming.
  • Veevus 10/0 Thread Quick View
    • Veevus 10/0 Thread Quick View
    • Veevus 10/0 Thread

    • £2.99
    • The Veevus 10/0 is a flat unwaxed thread - ideal if you wish to split your thread for entering dubbing etc.    The thread will lay very flat on the hook thus minimising bulk or can be corded up to give extra strength.
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus 12/0 Thread Quick View
    • Veevus 12/0 Thread Quick View
    • Veevus 12/0 Thread

    • £2.99
    • The Veevus 12/0 is a flat unwaxed thread - ideal if you wish to split your thread for entering dubbing etc.    The thread will lay very flat on the hook thus minimising bulk or can be corded up to give extra strength. ** MULTI BUY – ORDER 6 SPOOLS OF 12/0 OR MORE AND SAVE 10% !  **    
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus 14/0 Thread Quick View
    • Veevus 14/0 Thread Quick View
    • Veevus 14/0 Thread

    • £2.99
    • The Veevus 14/0 is a flat unwaxed thread - ideal if you wish to split your thread for entering dubbing etc.     The thread will lay very flat on the hook thus minimising bulk or can be corded up to give extra strength. ** MULTI BUY – ORDER 6 SPOOLS OF 14/0 OR MORE AND SAVE 10% !  **    …
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus 140 Power Thread Quick View
  • Veevus 16/0 Thread Quick View
    • Veevus 16/0 Thread Quick View
    • Veevus 16/0 Thread

    • £2.99
    • Veevus 16/0 is a twisted unwaxed thread. Ideal as an alternative to Spider Web and Trico; the thread untwists and splits easily and has a very impressive breaking strain ... ** MULTI BUY – ORDER 6 SPOOLS OF 16/0 OR MORE AND SAVE 10% !  **    
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus 240 Power Thread Quick View
  • Veevus 6/0 Thread Quick View
    • Veevus 6/0 Thread Quick View
    • Veevus 6/0 Thread

    • £2.99
    • The Veevus 6/0 is a flat unwaxed thread - ideal if you wish to split your thread for entering dubbing etc - and it is STRONGER than most other brands ... ** MULTI BUY – ORDER 6 SPOOLS  OF 6/0 OR MORE AND SAVE 10% !  **    
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus 70 Denier Power Thread Quick View
  • Veevus 8/0 Thread Quick View
    • Veevus 8/0 Thread Quick View
    • Veevus 8/0 Thread

    • £2.99
    • The Veevus 8/0 is a flat unwaxed thread - ideal if you wish to split your thread for entering dubbing etc.    The thread will lay very flat on the hook thus minimising bulk or can be corded up to give extra strength. ** MULTI BUY – ORDER 6 SPOOLS OF 8/0 OR MORE AND SAVE 10% !  **    
    • This product has multiple variants. The options may be chosen on the product page
  • Veevus Monofil Thread Quick View
    • Veevus Monofil Thread Quick View
    • Veevus Monofil Thread

    • £2.35
    • Monofil thread is excellent for bonefish patterns, scuds/shrimps and much more. The thread has superb strength and the "clear" disappears into the dressing - try it on your patterns when using the new Fish Masks from Fish Skull as you get a complete translucent head on the fly.
    • This product has multiple variants. The options may be chosen on the product page