1/2-13 x 1 1/2 Carriage Bolt Fully Threaded Black Oxide and Oil 1 1/4-7 and the 6 refers to

and the 6 refers to the length of the bolt in inches

This 3/8-16 x 3 1/4" Grade 5 fully threaded carriage bolt is made of steel and has a zinc finish

The hex head design allows for easy tightening and removal using a standard hex key or wrench

With its strength and versatility

These 5/16-18 x 4 Hex Cap Screws are made of Grade 5 steel and have a zinc finish

1/2-13 x 1 1/2 Carriage Bolt Fully Threaded Black Oxide and Oil 1 1/4-7 and the 6 refers toThis 1 2 13 x 1 1 2 inch carriage bolt is fully threaded and coated with black oxide and oil for corrosion resistance. The square head design provides a secure hold when tightened, and the fully threaded shank allows for maximum engagement in the material being fastened. This bolt is commonly used in construction, automotive, and other industrial applications.