Patent ID: 8419332

Claim:
A non-dimpling fastener comprising: a body including a first end and a second end, a tip at the first end of the body, a head at the second end of the body, a first body portion adjacent to the tip, the first body portion having a circular cross section with a first diameter, a second body portion adjacent to the head, the second body portion having a circular cross section with a second diameter that is larger than the first diameter of the first body portion, a shoulder adjacent to the first body portion and the second body portion, the shoulder having an angle with respect to a longitudinal axis of the fastener and being configured as a predetermined stopping point along the length of the fastener that causes the fastener to stop during installation when the shoulder encounters a frame element in order to prevent dimpling of an exterior panel; and a first thread that is a continuous thread extending from at least the first body portion, along the shoulder, to an intermediate point on the second body portion.