Nail-screw for assembly of wooden structures garden fence has two-part shank with wood-screw section separated from nail section by spacer

摘要

A nail-screw has a two-part shank. One part (2) has a thread, while the other part (3) is smooth and terminates in a point. The two parts are linked by a circular disc with twin radial grooves (12) in line and exposed on the nail-side of the disc (8).