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

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

This hexagonal bolt has a length of 10-1/2 with a threading of 1-8 [Partially Threaded]

This hexagonal bolt has a length of 13-1/2" with a threading of 3/4-10 [Partially Threaded]

and flanges

The screw has a length of 2" and a thread of 1-1/2-6

Socket Head Cap Screw Black Steel 1-1/2-6 * 3-1/4" Grade 8 [Cup Point] [Allen Drive] grade-9 The nuts 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 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