Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 5/8-18 * 2-1/2" Grade 8 [Cup Point] [External Square Drive] acme This hexagonal bolt has a

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

This hexagonal bolt has a length of 5-1/2" with a threading of 7/8-9 [Partially Threaded]

This hexagonal bolt has a length of 5-1/2" with a threading of 1-1/2-6 [Partially Threaded]

This hexagonal bolt has a length of 9-1/2" with a threading of 5/8-11 [Partially Threaded]

Square Head Screw Fine & Full Thread Black-Oxide Alloy Steel 5/8-18 * 2-1/2" Grade 8 [Cup Point] [External Square Drive] acme This hexagonal bolt has 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 2 1 2" and a thread of 5 8 18.