Fastener screw with spacer for installing gutters

Details Fastener screw with spacer for installing gutters Fastener screw with spacer for installing gutters

1998-03-12

1999-04-27

Saether, Flemming

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Pilot end having means enhancing fastening or installation

411411, 52 11, F16B 2500, E05D 1300

Patent

active

058972790

ABSTRACT:
A gutter fastener screw is provided including a body having a cylindrical configuration with a first length and a first predetermined diameter. A tip is included having a second length less than 1/4 of the first length. The tip is coupled to a bottom end of the body and includes a screw extent having a second diameter 1/2 the first diameter with a plurality of threaded screw grooves formed in an outer surface thereof. A drill extent is integrally coupled to a bottom end of the screw extent with a drill bit groove formed in an outer surface thereof.

REFERENCES:
patent: 3812639 (1974-05-01), Sygnator
patent: 4862664 (1989-09-01), Romine
patent: 4881861 (1989-11-01), Hewison
patent: 4900208 (1990-02-01), Kaiser
patent: 5678359 (1997-10-01), Turner

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