Carriage Bolt & Nut M20x180 Box 10 DIN 603/555 Gr 4.8 ZP

• 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.