Simpson #12 x 3/4" Collated FPHSD Flat Pan Head Framing-to-CFS Screw 2500-Pack CB Column Bases 4" length in a #9

4" length in a #9 screw size - provides deep penetration and strong holding power through thicker deck boards and into structural members beneath

plastic-strip collation angle and a full round head with a checkered pattern

Rough-Cut Lumber Compatible: Designed for use with rough-cut lumber

Dimensions: 1-31/32 inch x 5/32 inch (50x4mm)

Why does the APB66 feature a 1 in

Simpson #12 x 3/4" Collated FPHSD Flat Pan Head Framing-to-CFS Screw 2500-Pack CB Column Bases 4" length in a #9The Simpson Strong Tie Quik Drive FPHSD #12 x 3 4" Collated Framing to CFS Screw (Model FPHSD34S1214) is purpose built to fasten steel framing and sheet steel sheathing to cold formed steel (CFS). Featuring a flat pan head profile, a #3 square drive, and a #3 drill point, this screw delivers consistent, reliable performance in light gauge steel construction applications. Supplied in a 2,500 piece box with a driver bit included, it is engineered for