Patent ID: 9353784
Filing Date: 2016-05-31
CPC Classification: F16B,Y10T

Claim Text:
1. A method of installing a fastener to secure a metal panel to a wood structural element is provided that comprises the steps of: creating a bur of metal with a tip of the fastener as the tip of the fastener penetrates the metal panel; causing an area of the metal panel immediately surrounding the fastener to pull away from the wood structural element with first threads on a first body portion of the fastener as the first threads pass through the metal panel, the first threads having a first diameter and a first pitch; removing the bur of metal as the fastener passes through the metal panel; pushing the area of the metal panel towards the wood structural element with second threads on a second body portion of the fastener as the second threads pass through the metal panel, the second threads having a second diameter that is greater than the first diameter of the first threads, and a second pitch that is different from the first pitch of the first threads; and contacting the wood structural element with the area of the metal panel prior to the area of the metal panel being contacted with a head of the fastener or a sealing washer adjacent to the head of the fastener.