1/4-20 X 1-1/4" Square Neck Carriage Bolts with Nuts & Washers, Carbon Steel Coach Bolt Screws 10 Set for Industrial and Construction Fasteners : Amazon.ca: Tools & Home Improvement
Stainless Steel and Galvanised Coach Bolts (Carriage Bolt)
M10 x 300mm Coach Bolts and Nuts DIN 603 (Carriage Bolts and Nuts)