Cup Square Carriage Bolts & Nuts - Zinc Plated - M6 x 40mm - (40 PK)

These carriage bolts have a square section underneath the dome head which stops rotation of the bolt when tightened. They are mainly used in joining timber to timber applications.

• Ideal for timber to timber joining
• Complete with a hex nut
• Zinc plated for increased corrosion resistance
• Size: M6 x 40mm