Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 4-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity The screws have a filetage

The screws have a filetage of 3/4-10 and a length of 2

This hexagonal bolt has a length of 13" with a threading of 7/8-9 [Partially Threaded]

Fine and extra-fine threads are closely spaced to prevent loosening from vibration: the finer the thread

The screw has a length of 1-1/4" and a thread of 1-8

Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 4-1/2" Grade 8 [Cup Point] [External Square Drive] Quantity:Unity The screws have a filetageUse 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 4 1 2" and a thread of 1 8.