Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 3/4-16 * 3-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity This hexagonal nut fit a

This hexagonal nut fit a threading of 2-1/2-12

This hexagonal bolt has a length of 6-1/2" with a threading of 7/8-14 [Partially Threaded]

The screws have a thread of 1-8 and a length of 8-1/2

and CVSA requirements

The screws have a thread of 1-1/8-7 and a length of 14

Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 3/4-16 * 3-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity This hexagonal nut fit aUse these set screws for light duty holding. A square head allows them to be turned by hand, or fastened with a wrench when you need more torque. The cup point has a thin edge that digs into the contact surface for a secure hold. Length is measured from under the head. The screw has a length of 3 1 2" and a thread of 3 4 16.