Patent ID: 8931163
Filing Date: 2015-01-13
Classification: B23P,F16B,Y10T

Abstract:
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 as a 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 as right-hand threads on a first body portion of the fastener pass through the metal panel; 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 as left-hand threads on a second body portion of the fastener pass through the metal panel; 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.