3" - 9 Gauge, Annular Ring Shank Common Nail - 304 Stainless Steel, 25 lb. Pkg Blue Concrete Screws Lumber Size: Intended for use

Lumber Size: Intended for use with 4x4 posts/columns

Optimized for 6x Headers: Designed to accommodate standard 6x nominal lumber for accurate and secure fits

The self-drilling point eliminates the need for pilot holes while the hex washer head provides strong driving stability and a flush

The Countersunk head allows for a smooth surface when attaching wood or light gauge steel to concrete and grout-filled block surfaces

Versatile Installation: Can be installed after the beam is secured in place

3" - 9 Gauge, Annular Ring Shank Common Nail - 304 Stainless Steel, 25 lb. Pkg Blue Concrete Screws Lumber Size: Intended for useSimpson Annular Ring Shank Common Nails, are made with type 316 and type 304 stainless steel. The annular ring shank increases the withdrawal resistance to give the application a secure attachment. Choose type 316 for seaside applications and for superior corrosion resistance.