Flat Head Cap Screw Black Steel 3/4-10 * 6-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity They're reusable

They're reusable

The screw has a length of 5/8" and a thread of 5/8-11

but the capacities will be significantly reduced

They are at least 25% stronger than medium-strength steel washers

The anchors have a thread of 1/2-13 and a length of 7

Flat Head Cap Screw Black Steel 3/4-10 * 6-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity They're reusableMade 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 6 1 2" and a thread of 3 4 10. Black oxide alloy steel screws have mild corrosion resistance in dry environments.