Socket Head Cap Screw Black Steel 3/4-10 * 8-1/2" Grade 8 [Cup Point] [Allen Drive] galvanized they're commonly used in punch

they're commonly used in punch and die assemblies

allowing more threads to engage the bolt before tightening for easier installation than center-lock distorted thread locknuts

The shackles have a diameter of 5/8

This hexagonal bolt has a length of 6-1/2 with a threading of 1-1/4-7 [Partially Threaded]

Class 8 nuts are comparable in strength to Class 8

Socket Head Cap Screw Black Steel 3/4-10 * 8-1/2" Grade 8 [Cup Point] [Allen Drive] galvanized they're commonly used in punchWith 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 3 4 10 and a length of 8 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 with