Simpson HELI371800A Heli-Tie 3/8" x 18" Helical Wall tie, Pkg 50 Stainless Steel Tapcons Rimmed flat head with nibs

Rimmed flat head with nibs - countersinks easily for a clean

code-compliant rafter-to-wall connections in sloped or skewed roof structures

Lumber Size: Intended for use with 7x beams and 7 1/2x posts/columns

Caution: Oversized holes in the base material will reduce or eliminate the mechanical interlock of the threads with the base material and will reduce the anchor's load capacity

Flexible design: #8 Roofjack size fits pipe sizes from 6-3/4" - 13-1/2"

Simpson HELI371800A Heli-Tie 3/8" x 18" Helical Wall tie, Pkg 50 Stainless Steel Tapcons Rimmed flat head with nibsThe Simpson Strong Tie Heli Ties are designed to anchor building facades to structural members such as concrete block. These helical wall ties are made from 304 stainless steel for a long lasting service life and excellent corrosion resistance. The helical design makes installation quick into the predrilled pilot hole. An SDS Plus rotohammer along with the proprietary HELITOOL37A Installation Tool. Installation: Drill pilot hole through the faade