Tank & IBC Accessories » Tank Flanges & Fittings »

BS4504 Backing Rings

Part No: 510-39200
  • 1/2" - 20mm
  • Drilled to BS4504 NP10/16
  • 4x M12 holes
  • Galvanised mild steel
Part No: 510-39250
  • 3/4" - 25mm
  • Drilled to BS4504 NP10/16
  • 4x M12 holes
  • Galvanised mild steel
Part No: 510-39320
  • 1" - 32mm
  • Drilled to BS4504 NP10/16
  • 4x M12 holes
  • Galvanised mild steel
Part No: 510-39400
  • 1"1/4 - 40mm
  • Drilled to BS4504 NP10/16
  • 4x M16 holes
  • Galvanised mild steel
Part No: 510-39500
  • 1"1/2 - 50mm
  • Drilled to BS4504 NP10/16
  • 4x M16 holes
  • Galvanised mild steel
Part No: 510-39630
  • 2" - 63mm
  • Drilled to BS4504 NP10/16
  • 4x M16 holes
  • Galvanised mild steel
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