Patent ID: 6602027
Filing Date: 2003-08-05
Classification: B23B,B25B,E05D,E05Y,F16B,Y10T

Abstract:
A guide for use with a screw having a head with a tapered lower surface to center the screw in a hole of a countersink in a member to engage a piece under the member, the countersink in the member having a downwardly tapered wall from the top surface of the member to the hole, said guide having a body of frangible material with a through hole from its top to bottom ends and a tapered part at a lower part that is to rest directly on the member countersink tapered wall to align the guide with said body through hole being generally perpendicular to the piece, wherein the screw tapered lower surface moving into the top of said body through hole engages and fractures the body as the screw is threaded into the piece under the member.