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Hillman 812611 Hot Dipped Galvanized Carriage Bolt, 1/2 x 2-1/2-Inch, Silver, 50-Pack : Amazon.co.uk: DIY & Tools
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Everbilt Part # 803610 - Everbilt 1/2 In.-13 X 5 In. Galvanized Carriage Bolt (25-Pack) - Carriage Bolts - Home Depot Pro
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