4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases These anchors are designed to

These anchors are designed to drive straight into concrete without needing sleeves or inserts

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

providing robust support and exceptional corrosion resistance for various construction applications

Double-Barrier Coating – Resists corrosion in wet

the THASL29-2 hangers can be field skewed from 22 1/2 degrees or up to 75 degrees (up to 85° for the THASR/L29 and THASR/L29-2)

4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases These anchors are designed toSimpson 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.