Cup Head Bolt & Nut

Cup Head Bolt and Nut is threaded with a domed head and square neck, also known as a carriage bolt. Suited largely for timber applications where a smooth head is preferred, or the head is not easily accessed for fastening and prevents the bolt from turning when the nut is tightened.


  • Metric: Dia M6 - M24 & Lengths 18mm - 600mm
  • Imperial: Dia 1/4" - 1/2" & Lengths 3/4" - 18"
  • Threads: Metric Coarse & Imperial BSW
  • Strength: Property Class 4.6, 8.8 & Grade 2
  • Material/Finish: Plain, Zinc Plated & Hot Dip Galvanised
  • Compliance: AS 1390, AS 1112.1, AS 2451