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    • Dies

    Our range of thread cutting dies includes high-precision die tools and die sets available in both metric and imperial thread forms. Designed for use in workshops, engineering and fabrication environments, these dies cut and restore external threads on round stock such as threaded rod, studs and shafts.

    We stock a variety of die types including hexagon body dies, round split dies and adjustable dies in common sizes to meet the needs of trade professionals, engineers and hobbyists. Whether you’re repairing damaged threads or cutting new threads, our dies provide accurate and reliable performance.

    Browse the selection below and use the filters to refine by thread type, size and material to find the right die for your application.

    Browse related categories: Taps, Hexagon Die Nut, Circular Dies and Thread Data Guide.

    • 1 5/16" UNF High Speed Steel Round Dies

      1 5/16" UNF High Speed Steel Round Dies

      Thread - UNFSize - 1 5/16" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1/4" 1 5/16" 28 5/16" 1 5/16" 24 3/8" 1 5/16" 24 7/16" 1 5/16" 20 1/2" 1 5/16" 20 9/16" 1...

      £9.74 (Inc. VAT)
      £8.12 (Ex. VAT)
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    • 1 5/16" BSF Carbon Steel Circular Split Dies

      1 5/16" BSF Carbon Steel Circular Split Dies

      Thread - BSFSize - 1 5/16" external round die sizeCarbon steel for cleaning out threads   A B C 1/4" 1 5/16" 20 5/16" 1 5/16" 22 3/8" 1 5/16" 20 7/16" 1 5/16" 18 1/2" 1 5/16" 16 9/16" 1 5/16" 16 Please Note: Specifications given...

      £10.56 (Inc. VAT)
      £8.80 (Ex. VAT)
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    • 1 1/2" UNF High Speed Steel Round Thread Dies

      1 1/2" UNF High Speed Steel Round Thread Dies

      1 1/2" UNF high speed steel round dies for cutting new external Unified National Fine threads. These UK made HSS circular dies are suitable for producing fine-pitch external threads on bolts, studs, shafts and engineering components. UNF threads use a...

      £15.52 (Inc. VAT)
      £12.93 (Ex. VAT)
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    • BSF Carbon Steel Hexagon Die Nuts

      BSF Carbon Steel Hexagon Die Nuts

      BSF carbon steel hexagon die nuts for cleaning, restoring and re-forming external British Standard Fine threads. These carbon steel re-threading die nuts are ideal for thread repair and maintenance work where existing BSF threads need to be cleaned,...

      £7.72 (Inc. VAT)
      £6.43 (Ex. VAT)
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    • 3" Whitworth High Speed Steel Circular Dies

      3" Whitworth High Speed Steel Circular Dies

      Thread - BSW / Whitworth Size - 3" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1 1/8" 3" 7 1 1/4" 3" 7 1 3/8" 3" 6 1 1/2" 3" 6 Please Note: Specifications given are...

      £87.49 (Inc. VAT)
      £72.91 (Ex. VAT)
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    • 2" Metric High Speed Steel Circular Split Dies

      2" Metric High Speed Steel Circular Split Dies

      2" External size Metric standard threads High Speed Steel Circular Split Dies UK MADE     A B C 14mm 2" 2 16mm 2" 2 18mm 2" 2.5 20mm 2" 2.5 22mm 2" 2.5 24mm 2" 3 Please Note: Specifications given are intended as a guide only...

      £29.92 (Inc. VAT)
      £24.93 (Ex. VAT)
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    • 2" Whitworth High Speed Steel Circular Dies

      2" Whitworth High Speed Steel Circular Dies

      BSW Thread Split Dies2" External sizeUK Made HSS High Quality split dies.   A B C 1" 2" 8 5/8" 2" 11 3/4" 2" 10 7/8" 2" 9 Please Note: Specifications given are intended as a guide only. If critical to your project please check with us...

      £35.28 (Inc. VAT)
      £29.40 (Ex. VAT)
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    • 1 5/16" BSF High Speed Steel Circular Split Dies

      1 5/16" BSF High Speed Steel Circular Split Dies

      Thread - BSFSize - 1 1/2" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 5/16" 1 5/16" 22 3/8" 1 5/16" 20 7/16" 1 5/16" 18 1/2" 1 5/16" 16 9/16" 1 5/16" 16 Please Note:...

      £14.11 (Inc. VAT)
      £11.76 (Ex. VAT)
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    • 1 5/16" Whitworth Carbon Steel Circular Split Dies

      1 5/16" Whitworth Carbon Steel Circular Split Dies

      Thread - BSWSize - 1 5/16" external round die sizeCarbon steel for cleaning out threadsUK Made   A B C 5/16" 1 5/16" 18 3/8" 1 5/16" 16 7/16" 1 5/16" 14 1/2" 1 5/16" 12 9/16" 1 5/16" 12 Please Note: Specifications given are intended...

      £10.56 (Inc. VAT)
      £8.80 (Ex. VAT)
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    • Coventry Chasers to fit 1/4" Diehead BA Thread

      Coventry Chasers to fit 1/4" Diehead BA Thread

      BA Chasers to fit 1/4" Diehead LIMITED STOCK AVAILBLE Right Hand, High Speed Steel, Uncoated, 4 Piece set in case Photographs are representations only The following sizes are available:- 0 BA, 1 BA, 2 BA, 3 BA, , 6 BA, , 8 BA,...

      £11.77 (Inc. VAT)
      £9.81 (Ex. VAT)
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    • 1 1/2" Whitworth BSW Carbon Steel Circular Split Dies

      1 1/2" Whitworth BSW Carbon Steel Circular Split Dies

      1 1/2" outside diameter Whitworth carbon steel circular split dies, suitable for cleaning, restoring and re-cutting external BSW threads. These British Standard Whitworth dies are UK made from carbon steel and are ideal for thread maintenance, repair...

      £14.93 (Inc. VAT)
      £12.44 (Ex. VAT)
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    • 1 1/2" BSF Carbon Steel Split Dies BS 84

      1 1/2" BSF Carbon Steel Split Dies BS 84

      1 1/2" BSF carbon steel circular split dies for British Standard Fine external threads. These dies are mainly used for cleaning, chasing and restoring existing BSF threads on bolts, studs, threaded bar and other male threaded components. The circular...

      £14.93 (Inc. VAT)
      £12.44 (Ex. VAT)
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    • 2" British Standard Pipe Thread Fine Carbon Steel Dies

      2" British Standard Pipe Thread Fine Carbon Steel Dies

      Thread - British Standard Pipe Thread FineSize - 2" external round die sizeCarbon steel for cleaning out threadsUK Made   A B C 3/8" 2" 19 1/2" 2" 14 5/8" 2" 14 3/4" 2" 14 7/8" 2" 14 Please Note: Specifications given are intended as...

      £13.44 (Inc. VAT)
      £11.20 (Ex. VAT)
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    • 1" UNC High Speed Steel Circular Split Dies

      1" UNC High Speed Steel Circular Split Dies

      Thread - UNCSize - 1" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1/4" 1" 20 5/16" 1" 18 3/8" 1" 16 7/16" 1" 14 1/2" 1" 13 Please Note: Specifications given are intended...

      £8.71 (Inc. VAT)
      £7.26 (Ex. VAT)
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    • 2" UNC High Speed Steel Circular Split Dies

      2" UNC High Speed Steel Circular Split Dies

      Thread - UNCSize - 2" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1" 2" 8 9/16" 2" 12 5/8" 2" 11 3/4" 2" 10 7/8" 2" 9 Please Note: Specifications given are intended as a...

      £22.82 (Inc. VAT)
      £19.02 (Ex. VAT)
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    • 1" BSCY Carbon Steel Split Dies BS 811

      1" BSCY Carbon Steel Split Dies BS 811

      1" B.S. Cycle carbon steel circular split dies for British Standard Cycle external threads. These UK made dies are mainly used for cleaning, chasing and restoring existing BSCY threads on bolts, studs, threaded bar and other male threaded components. The...

      £8.72 (Inc. VAT)
      £7.27 (Ex. VAT)
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    • 2" UNF High Speed Steel Round Dies

      2" UNF High Speed Steel Round Dies

      Thread - UNFSize - 2" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1" 2" 12 9/16" 2" 18 5/8" 2" 18 3/4" 2" 16 7/8" 2" 14 Please Note: Specifications given are intended as...

      £22.82 (Inc. VAT)
      £19.02 (Ex. VAT)
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    • 1" Model Engineering Carbon Steel Round Dies

      1" Model Engineering Carbon Steel Round Dies

      1" Model Engineering carbon steel round dies for cleaning, chasing and restoring existing external Model Engineer threads. These UK made circular dies are manufactured from carbon steel and are intended primarily for repairing damaged, dirty or lightly...

      £9.30 (Inc. VAT)
      £7.75 (Ex. VAT)
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    • 3" UNF Carbon Steel Circular Split Dies

      3" UNF Carbon Steel Circular Split Dies

      Thread - UNF CoarseSize - 3" external round die sizeCarbon steel for cleaning out threadsUK Made     A B C 1 1/8" 3" 12 1 1/4" 3" 12 1 3/8" 3" 12 1 1/2" 3" 12 Please Note: Specifications given are intended as a guide only. If...

      £57.24 (Inc. VAT)
      £47.70 (Ex. VAT)
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    • 1" Whitworth High Speed Steel Circular Dies

      1" Whitworth High Speed Steel Circular Dies

      Thread - BSW Size - 1" external round die size High Speed Steel Round Dies for making new threads UK made high quality ABC 3-16" 1" 24 1/4" 1" 20 5/16" 1" 18 3/8" 1" 16 7/16" 1" 14 1/2" 1" 12 Please...

      £13.56 (Inc. VAT)
      £11.30 (Ex. VAT)
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    • 2" British Standard Pipe Thread High Speed Steel Dies

      2" British Standard Pipe Thread High Speed Steel Dies

      Thread - BSPTSize - 2" Solid external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 1/4" 2" 19 3/8" 2" 19 1/2" 2" 14 3/4" 2" 14 Please Note: Specifications given are intended as a...

      £74.21 (Inc. VAT)
      £61.84 (Ex. VAT)
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    • 1 5/16" UNC High Speed Steel Circular Split Dies

      1 5/16" UNC High Speed Steel Circular Split Dies

      Thread - UNCSize - 1 5/16" external round die sizeHigh Speed Steel Round Dies for making new threadsUK made high quality   A B C 3/8" 1 5/16" 16 7/16" 1 5/16" 14 1/2" 1 5/16" 13 9/16" 1 5/16" 12 Please Note: Specifications given...

      £12.89 (Inc. VAT)
      £10.74 (Ex. VAT)
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