Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 5-1/2" Grade 8 [Cup Point] [External Square Drive] grade-b7 This hexagonal bolt has a

This hexagonal bolt has a length of 12 with a threading of 3/4-10 [Partially Threaded]

With half the height of a standard socket head

these minimize twisting and knotting of rope and chain

2 and comply with dimensional standards

The screws have a thread of 1-1/4-7 and a length of 6

Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 5-1/2" Grade 8 [Cup Point] [External Square Drive] grade-b7 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 5 1 2" and a thread of 1 8.