Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 2-1/4" Grade 8 [Cup Point] [External Square Drive] leftzinc The screw has a length

The screw has a length of 3-1/2" and a thread of 3/4-10

This hexagonal bolt has a length of 12" with a threading of 7/8-14 [Partially Threaded]

The screw has a length of 4-1/2 and a thread of 1-12

It is made of zinc plated and thus provide medium resistance to corrosion in both dry and wet environments

Square Head Screw Full Thread Black-Oxide Alloy Steel 1-8 * 2-1/4" Grade 8 [Cup Point] [External Square Drive] leftzinc The screw has a lengthUse 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 4" and a thread of 1 8.