1. 1/4" BSPT

1. 1/4"  BSPT  Plug Tap. For Taper Fittings.
 
  11 tpi Standard BSP pitch
  102mm Overall, 50mm Cutting Length, 34mm Shank and 25mm Square Drive.
  5 Flutes, Centred Both Ends.
  Minimum use and absolutely pristine.
  UK made by Goliath Tools (Part of Austrailan Tooling Company)