Flat Head Cap Screw Black Steel 1/2-13 * 11" Grade 8 [Cup Point] [Allen Drive] stud Made from 18-8 stainless steel

Made from 18-8 stainless steel

This hexagonal bolt has a length of 3" with a threading of 1-1/4-7 [Fully Threaded]

This hexagonal bolt has a length of 5" with a threading of 1-1/8-7 [Partially Threaded]

and flanges

Coarse threads are the industrystandard:choose these screws if you don’t know the pitch or threads per inch

Flat Head Cap Screw Black Steel 1/2-13 * 11" Grade 8 [Cup Point] [Allen Drive] stud Made from 18-8 stainless steelMade 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 11" and a thread of 1 2 13. Black oxide alloy steel screws have mild corrosion resistance in dry environments.