Simpson T06J050PXM #6 x 1/2" Pan Head Marine Screw - 316 Stainless Steel, Pkg 1000 Hex Head 410 Stainless Steel Concrete Screws An SDS-Plus rotohammer along with

An SDS-Plus rotohammer along with the proprietary HELITOOL37A Installation Tool

WSFLRV Wood-to-CFS/Aluminum Screws

and light commercial construction where added structural strength is required

This will only fit a post that measures an actual 4x4"

Mid-rise and commercial framing projects

Simpson T06J050PXM #6 x 1/2" Pan Head Marine Screw - 316 Stainless Steel, Pkg 1000 Hex Head 410 Stainless Steel Concrete Screws An SDS-Plus rotohammer along withSimpson pan head type 316 stainless steel screws are designed to fasten securely in fiberglass, plywood and wood substitute materials in applications exposed to harsh marine or many chemically caustic conditions.