BS EN10241 backnuts

A diagram of a hexagonal nut showing its dimensions. The dimensions are labeled "T" and "A".
 A stainless steel backnut
  • Threads are to BSP parallel to ISO 7.1
  • Because of the close tolerances required when match male and female parallel threads we recommend that parallel threads should be produced using a backnut as a gauge.

Dimensions and weights chart

A table listing the nominal bore, width across flats of the hexagon, thickness, and weight of pipe plugs in both metric and imperial units.

To download our data sheet as a PDF, please click the link below.