1/2-13 x 5 1/2 Carriage Bolt Grade 8 Fully Threaded Plain D93110 and it meets ASTM A307

and it meets ASTM A307 specifications

The screw has a hexagonal head that allows it to be tightened or loosened with a wrench

they are suitable for both indoor and outdoor use

securing machinery

and is ideal for projects that require a strong and durable fastener

1/2-13 x 5 1/2 Carriage Bolt Grade 8 Fully Threaded Plain D93110 and it meets ASTM A3071 2 13 x 5 1 2 Carriage Bolt Grade 8 Fully Threaded Plain is a heavy duty fastener designed for demanding applications. Made from high strength steel and heat treated for exceptional durability, this bolt features a fully threaded shank that provides maximum holding power. The plain finish offers corrosion resistance in various environments. Ideal for use in construction, machinery, and automotive applications where high strength and reliability are