Socket Head Cap Screw Black Steel 1-1/4-7 * 4-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity They're for use in low-vibration

They're for use in low-vibration applications where the shackle remains stationary

The screw has a length of 1" and a thread of 7/16-14

They're reusable

The screw has a length of 2-1/2" and a thread of 1-8

Socket Head Cap Screw Black Steel 1-1/4-7 * 4-1/2" Grade 8 [Cup Point] [Allen Drive] Quantity:Unity They're for use in low-vibrationWith 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 screws have a thread of 1 1 4 7 and a length of 4 1 2. Black oxide steel screws are mildly corrosion resistant in dry environments. Coarse threads are the industry standard: choose these screws if you dont know the pitch or threads per inch. Screws that meet ASTM A574, ASTM A574M, and ISO 898 1 comply