Whitworth Tap & Die Set - 23pc Part No. 77123

Typical Price:

£47.26 exc VAT
£56.71 inc VAT

Suitable for cleaning and repairing threads


Additional Information

  • Supplied in metal storage case.
  • For use on old British cars and motorcycles.
  • Made from carbon steel.
  • Includes one tap wrench and one die wrench.
  • 7 dies 1/8-40BSW 3/16-24BSW 1/4-20BSW 5/16-18BSW 3/8-16BSW 7/16-14BSW 1/2- 12BSW 14 TAPS TAPER AND PLUG 1/8-40BSW 3/16-24BSW 1/4-20BSW 5/16-18BSW 3/8-16BSW 7/16-13BSW 1/2-12BSW.
  • Ce jeu convient pour les véhicules anciens anglais et les motos. Il permet de réparer et recréer un filetage.
  • Le jeu contient 7 filières et 7 tarauds dans les tailles suivantes: 1/8-40BSW 3/16-24BSW 1/4-20BSW 5/16-18BSW 3/8-16BSW 7/16-14BSW 1/2- 12BSW
  • Inclut un porte taraud et un porte filière
  • Fabrication robuste en carbone.
Classic car enthusiasts are familiar with the world’s first national screw thread standard, BSW (Whitworth), devised and specified by Joseph Whitworth in 1841. By mid-century the Whitworth standards of measurement were thoroughly recognised and established throughout the UK, the standard being used by the military, the railways and into the twentieth century with motor car and motor cycle manufacturers. There are two standards of Whitworth fasteners, as during WW2 the sizes of nut and bolt heads were reduced to save metal, but reduced by one full size, so that the same spanners and sockets could be used. The fasteners were most phased out by the 1960s but are still found on older classic cars and motorbikes and of course are still specified when carrying out a fastidious and correct restoration.

This new Tap & Die set from Gunson (part no: 77123) displays the company’s commitment to continuing the supply of Whitworth tools and is suitable for cleaning and repairing these threads.

A comprehensive set, it includes one tap wrench and one die wrench plus 7 dies: 1/8-40BSW, 3/16-24BSW, 1/4-20BSW, 5/16-18BSW, 3/8-16BSW, 7/16-14BSW and 1/2- 12BSW.

Fourteen taps are included (taper and plug): 1/8-40BSW, 3/16-24BSW, 1/4-20BSW, 5/16-18BSW, 3/8-16BSW, 7/16-13BSW and 1/2-12BSW.

This quality kit, made from carbon steel and supplied in a metal storage case, is terrific value and available now for a typical price of £47.26 (price includes VAT) but remember to check your local supplier for the best prices and special offers.

Prices correct at time of publication. For further details, please contact the Marketing Department: 01926 818196

We have the following downloads available for this product.

77123 Product Information Sheet
77123 Product Information Sheet FR
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