Socket Head Cap Screw Fine Thread Black Steel 1-3/8-12 * 5-1/2" Grade 8 [Cup Point] [Allen Drive] tige_filete The screws have a thread

The screws have a thread of 1-8 and a length of 14

This hexagonal bolt has a length of 12 with a threading of 1-1/2-6 [Partially Threaded]

The screws have a thread of 1-3/4-5 and a length of 15

This hexagonal bolt has a length of 16" with a threading of 3/4-10 [Partially Threaded]

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

Socket Head Cap Screw Fine Thread Black Steel 1-3/8-12 * 5-1/2" Grade 8 [Cup Point] [Allen Drive] tige_filete The screws have a threadWith 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 5 1 2 and a thread of 1 3 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.