4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Simpson Strong-Tie® bull-point chisels are

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

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

The 1-5/8" x 3-1/4" Solid Strut Channel 4 ft

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)

and other heavy-duty metal connections

4d (1-1/2") Annular Ring Shank Spiral Roofing Nail - 304 Stainless Steel, 1 lb. Pkg STandoff Bases Simpson Strong-Tie® bull-point chisels 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.