British Standard BSPT/BS21 Whitworth Taper Thread Pipe Plugs | Seaway Bolt

British Standard Pipe Taper

  Hex Socket Standard at Seaway Bolt Hex Socket "Gas" at Seaway Bolt Square Head at Seaway Bolt
Size Hex Socket Standard Hex Socket "Gas" Square Head
1/8 - 28
1/4 - 19
3/8 - 19
1/2 - 14
3/4 - 14
1" - 11
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Pipe plugs manufactured to this Standard are used primarily in assemblies which are designed and manufactured in the U.K.

Available Materials

  • Steel (Low Carbon, Medium Carbon, Alloy)
  • Stainless Steel
  • Brass
  • Aluminum

Parts may not be produced in all materials noted above.