Socket Head Cap Screw Black Steel 1-1/2-6 * 3-1/4" Grade 8 [Cup Point] [Allen Drive] grade-9 This hexagonal bolt has a

This hexagonal bolt has a length of 3" with a threading of 7/8-14 [Partially Threaded]

and flanges

This hexagonal bolt has a length of 3-1/2" with a threading of 7/8-14 [Partially Threaded]

The nuts have a thread of 3/4-10 and a lenght of 1-3/4

Socket Head Cap Screw Black Steel 1-1/2-6 * 3-1/4" Grade 8 [Cup Point] [Allen Drive] grade-9 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 screws have a thread of 1 1 2 6 and a length of 3 1 4. 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