Hillman 1/4-in-20 x 1-1/2-in Slotted-Drive Machine Screws (2-Count)

Machine screws are meant to apply two metal work pieces together, with the use of a threaded pre-tapped hole or through a hole and held with a nut. They are threaded the entire length of the shank. The length of a machine screw is measured from under the head to the point of the screw.