Socket Head Cap Screw Black Steel 1-3/8-6 * 4-1/2" Grade 8 [Cup Point] [Allen Drive] fully_threaded they're commonly used in punch

they're commonly used in punch and die assemblies

The screws have a thread of 1-3/8-6 and a length of 16

This hexagonal bolt has a length of 4-1/2 with a threading of 7/8-9 [Partially Threaded]

The anchors have a thread of 1-8 and a length of 9

The screw has a length of 5 and a thread of 1-3/8-12

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