Socket Head Cap Screw Fine Thread Black Steel 5/8-18 * 6-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity The shackles have a diameter

The shackles have a diameter of 1

They have a red warning core that is visible when the sling is worn and should be removed from use

This hexagonal bolt has a length of 4-1/2 with a threading of 1-1/8-7 [Partially Threaded]

The bolts have a thread of 5/8-11 and a length of 4

Socket Head Cap Screw Fine Thread Black Steel 5/8-18 * 6-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity The shackles have a diameterWith a tensile strength of 170,000 psi, these Alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head. The screw has a length of 6 1 2 and a thread of 5 8 18. Alloy steel screws are mildly corrosion resistant in dry environments. Fine and extra fine threads are closely spaced to prevent loosening from vibration: the finer the thread, the better the resistance. They are not compatible with coarse threads.