They're typically larger than most wood screws and fasteners ... There are only two downsides to structural screws: cost and availability. GRK brand screws are the most expensive and are only ...

Structural wood screws are heavy-duty screws that are mainly used ... Inc.), Illinois Tool Works Inc. (GRK Fasteners), Trifast plc (TR Fastening), Altenloh, Brinck & Co US, Inc., National Nail Corp.