Patent ID: 6907699
Filing Date: 2005-06-21
Classification: F16B

Abstract:
1. A fastener for securing a 0.625 inch thick gypsum wallboard panel to a wooden building frame comprising: a body having a predetermined axial length of approximately 1.875 inches, the body comprising: a cupped head at one axial end of the body, the cupped head having a diameter that is in the range of 0.297 inches to 0.438 inch; a threaded portion at an opposite axial end of the body; and an unthreaded shank portion extending between the cupped head and the threaded portion, wherein the shank portion has an axial length that is at least one-third of the axial length of the fastener body, and greater than the thickness of the panel, and wherein the shank portion has a diameter that is in the range of 0.125 inches to 0.152 inch.