5.5 x 38 Hexagon Head Self Drill Screw, Steel, Metal to Metal, for 4.0 - 12.5mm steel thickness

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Stock accurate as of 25th April 2024 23:04pm


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Suitable for steel 4.0 - 12.5mm. 5/16" AF hexagon washer head. Case hardened cardon steel for liner steel to steel purlins and rails. Climaseal plated (5 times the life of zinc plating). Requires a 5/16" Hex self drill screw adaptor.

  • Suitable for 4.0 - 12.5mm steel
  • Thread length 18mm
  • Overall length 38mm
  • Diameter 5.5mm
  • 5/16" (8mm) Hexagon head

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