This is a hex head cap screw with a 1/2-13 thread size and 2 inch length. It is made of Grade 5 steel and has a zinc plated finish. The screw has a hex head with a 3/4 inch head width and 5/16 inch head height.

1/2-13 x 4-1/2" Hex Head Cap Screw, Grade 5, Partial Threaded, Zinc Plated, Box

1/2-13 x 2-1/2" Hex Head Bolt, Grade 2, Partial Threaded, Hot Dip Galvanized, Jar

1/2-13 x 5" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/2-13 x 6" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/2-13 x 7" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/2-13 x 5-1/2" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/4-20 x 4-1/2" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/2-13 x 5-1/2" Hex Head Cap Screw, Grade 5, Partial Threaded, Zinc Plated, Box

1/2-13 x 8" Hex Head Bolt, Grade 2, Partial Threaded, Zinc Plated, Box

1/2-13 x 6" Hex Head Cap Screw, Grade 5, Partial Threaded, Zinc Plated, Jar

9/16-12 x 1-1/2" Hex Head Cap Screw, Grade 5, Fully Threaded, Zinc Plated, Jar