Socket Head Cap Screw Fine Thread Black Steel 1-1/8-12 * 2-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity This hexagonal bolt has a

This hexagonal bolt has a length of 20" with a threading of 7/8-9 [Partially Threaded]

The screw has a length of 7" and a thread of 1-8

This hexagonal bolt has a length of 11" with a threading of 3/4-10 [Partially Threaded]

Furthermore

The screws have a thread of 3/4-10 and a length of 13

Socket Head Cap Screw Fine Thread Black Steel 1-1/8-12 * 2-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity This hexagonal bolt has aWith 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 2 1 2 and a thread of 1 1 8 12. 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.