4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Simpson hole cleaning brushes are

Simpson hole cleaning brushes are required for properly cleaning drilled holes prior to adhesive anchor installation

Simpson Annular Ring Shank Common Nails

These screw anchors are intended for exterior applications and some interior pressure-treated wood sill plate applications

and other heavy-duty metal connections

Simpson Strong-Tie® bull-point chisels are designed for use in general concrete and masonry demolition

4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Simpson hole cleaning brushes areSimpson ring shank roofing nails have a large flat head to provide extra bearing surface to firmly secure roofing material. A spiral "thread" on the shank causes the nail to spin during installation, creating a thread like interlock with the wood.