Socket Head Shoulder Screw, 3/4 inch x 2 1/4 inch, 18-8 Stainless Steel, 5/8-11 Thread Size (Quantity: 10 pcs), Shoulder Diameter 3/4 inch, Shoulder Length 2 1/4 inch, Coarse

Shoulder: Shoulder refers to the enlarged portion of the screw, the diameter of which serves as the basis for derivation of nominal size. Length: The length of the shoulder screw shall be measured, parallel to the axis of the screw, from the plane of the bearing surface under the head to the plane of the shoulder at the threaded end.