1/4 x 1 1/2 Socket Shoulder Screw Plain C8FTP and a flat washer

and a flat washer

and a hex flange that provides a wide bearing surface

The #3 head size indicates the diameter of the head

4 x 10 DIN 965 & ISO 7046 Metric Phillips Flat Machine Screw Full Thread Black Ox & Oil is a small

448 inches

1/4 x 1 1/2 Socket Shoulder Screw Plain C8FTP and a flat washerThe 1 4 x 1 1 2 Socket Shoulder Screw Plain is a type of screw that has a hexagonal head with a socket in the center. The socket allows for easy tightening and loosening with a hex key or Allen wrench. The shoulder of the screw is the cylindrical part that sits between the head and the threads. The shoulder helps to distribute the load of the screw and prevent it from pulling through the material it is being used in. This screw is made of plain steel,