a bone plate including a combination locking and compression screw hole having a top opening and a bottom opening , the top opening being generally circular and including a widthwise dimension and a lengthwise dimension normal to the widthwise dimension , where an interior wall of the bone plate extends between the top opening and the bottom opening , where at least a portion of the interior wall proximate the top opening is threaded , and where at least one of the widthwise dimension and the lengthwise dimension is decreased between the top opening to the bottom opening , while the other of the widthwise dimension and the lengthwise dimension does not substantially decrease between the top opening and the bottom opening . the instant disclosure also includes a method of forming a bone plate comprising : fabricating a bone plate to include a first through hole , where at least one of a width and a length of the hole changes along a depth of the hole ; plunge milling an interior surface of the bone plate demarcating the first through hole to remove at least a portion of the bone plate to increase at least one of the width and the length of the through hole ; and threading at least a portion of the first through hole .