Collection: Carriage/ Coach/ Roofing Bolts

M6, M8, M10 and M12 Carriage/ Roofing/ Dome Coach Bolts plus Full Hex Nuts, Zinc, Grade 4.8 DIN 603 and hexagon nut, DIN 934 (also known as a coach bolt or cup square bolt).

Fixaball sells lengths M6, M8, M10 and M12 Carriage, Roofing, Dome Bolts


  • Cup square, carriage bolts DIN 603 and hexagon nut DIN 934 are heavy duty fixings to join timbers commonly used in the garden and roofing applications.
  • The large diameter dome is to better spread the weight of the timers being joined and has a low, domed profile to be less obtrusive.
  • The square under the head helps tightening by gripping into a pre-drilled hole.
  • Zinc clear passivated/ Cr3 Plated and Self Colour
  • Roofing Bolts conform to DIN 603 standards.
  • Full Hexagon Nut Conforms to DIN 934 standards.
  • All lengths refer to the measurement from the underside of the head to the end.