Socket Head Cap Screw Full Thread Black Steel 1-3/4-5 * 4" Grade 8 [Cup Point] [Allen Drive] flat_head_cap_screw these are designed for through-hole

these are designed for through-hole applications

They thread on from the bottom of the nut

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

They are at least 25% stronger than medium-strength steel washers

This hexagonal bolt has a length of 5-1/2" with a threading of 1-14 [Partially Threaded]

Socket Head Cap Screw Full Thread Black Steel 1-3/4-5 * 4" Grade 8 [Cup Point] [Allen Drive] flat_head_cap_screw these are designed for through-holeWith 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 screw has a length of 4" and a thread of 1 3 4 5. 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