Flat Head Cap Screw Black Steel 1/2-13 * 8" Grade 8 [Cup Point] [Allen Drive] swivels and CVSA requirements

and CVSA requirements

The nuts have a thread of 5/8-11 and a lenght of 1-1/2

The screw has a length of 6-1/2 and a thread of 1/2-20

The rod has a thread of 3/4-10 and a length of 144"

Warning: Test all assemblies for required strength before use

Flat Head Cap Screw Black Steel 1/2-13 * 8" Grade 8 [Cup Point] [Allen Drive] swivels and CVSA requirementsMade from alloy steel, these screws are nearly twice as strong as stainless steel flat head screws. They're angled under the head to sit flush within countersunk holes. Length is measured from the top of the head. The screw has a length of 8" and a thread of 1 2 13. Black oxide alloy steel screws have mild corrosion resistance in dry environments.