5/8-11 x 7 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc CH9C They have a round head

They have a round head with a square neck

The 7/16-20 x 3 1/4 Hex Cap Screw Grade 8 Yellow Zinc is a high-strength fastener designed for demanding applications

meaning it will fit into a 1/2-inch hole and advance 13 threads per inch

The zinc coating provides additional protection against rust and other environmental factors

and industrial projects where strength and reliability are crucial

5/8-11 x 7 1/2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc CH9C They have a round headThe 5 8 11 x 7 1 2 Carriage Bolt Grade 8 Fully Threaded Yellow Zinc is a high strength fastener designed for heavy duty applications. Made from durable steel, this bolt features a fully threaded shank for maximum holding power. The yellow zinc plating provides excellent corrosion resistance, making it suitable for outdoor use or in harsh environments. With a diameter of 5 8 inches and a length of 7 1 2 inches, this carriage bolt is ideal for securing