5/16-18 x 3 Carriage Bolt Fully Threaded Black Oxide and Oil M8-1.25 They feature a round head

They feature a round head with a square neck that prevents the bolt from turning when tightened

making it an ideal choice for demanding projects

The 8-32 x 1 1/4 Carriage Bolt Fully Threaded Black Oxide and Oil is a high-quality bolt that is perfect for a variety of applications

this screw meets Grade 8 specifications for demanding applications

It has a hex head for easy driving and a 3/4-inch length

5/16-18 x 3 Carriage Bolt Fully Threaded Black Oxide and Oil M8-1.25 They feature a round headThe 5 16 18 x 3 Carriage Bolt Fully Threaded Black Oxide and Oil is a versatile and durable fastener designed for a wide range of applications. Made from high strength steel, it features a fully threaded shank that provides maximum holding power. The black oxide and oil finish offers excellent corrosion resistance, ensuring a long lasting performance even in harsh environments. This bolt is commonly used in construction, automotive, and industrial