• Carriage bolts complete with hexagon nut. • Finish: Zinc Plated. • Fully threaded up to and including 150mm. 150mm thread length on bolts over 150mm. • Conforms to DIN603 (bolt) and DIN934 (nut) standards. • Also known as coach bolts or cup square hex bolts. • Square section underneath dome head stops rotation of the bolt when tightened. • Mainly used in joining timber to timber applications.